Clean up comparsions to NULL in the core directory reported by checkpatch. x == NULL -> !x x != NULL -> x Signed-off-by: Michael Straube <straube.linux@xxxxxxxxx> --- drivers/staging/r8188eu/core/rtw_ap.c | 22 +-- drivers/staging/r8188eu/core/rtw_br_ext.c | 28 ++-- drivers/staging/r8188eu/core/rtw_cmd.c | 158 +++++++++---------- drivers/staging/r8188eu/core/rtw_efuse.c | 4 +- drivers/staging/r8188eu/core/rtw_ieee80211.c | 10 +- drivers/staging/r8188eu/core/rtw_io.c | 2 +- drivers/staging/r8188eu/core/rtw_ioctl_set.c | 10 +- drivers/staging/r8188eu/core/rtw_iol.c | 4 +- drivers/staging/r8188eu/core/rtw_mlme.c | 44 +++--- drivers/staging/r8188eu/core/rtw_mlme_ext.c | 134 ++++++++-------- drivers/staging/r8188eu/core/rtw_mp.c | 12 +- drivers/staging/r8188eu/core/rtw_p2p.c | 16 +- drivers/staging/r8188eu/core/rtw_recv.c | 44 +++--- drivers/staging/r8188eu/core/rtw_security.c | 14 +- drivers/staging/r8188eu/core/rtw_sta_mgt.c | 8 +- drivers/staging/r8188eu/core/rtw_wlan_util.c | 10 +- drivers/staging/r8188eu/core/rtw_xmit.c | 40 ++--- 17 files changed, 280 insertions(+), 280 deletions(-) diff --git a/drivers/staging/r8188eu/core/rtw_ap.c b/drivers/staging/r8188eu/core/rtw_ap.c index 0bb545135206..d7b1a071928c 100644 --- a/drivers/staging/r8188eu/core/rtw_ap.c +++ b/drivers/staging/r8188eu/core/rtw_ap.c @@ -67,7 +67,7 @@ static void update_BCNTIM(struct adapter *padapter) tim_bitmap_le = cpu_to_le16(pstapriv->tim_bitmap); p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen, pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_); - if (p != NULL && tim_ielen > 0) { + if (p && tim_ielen > 0) { tim_ielen += 2; premainder_ie = p+tim_ielen; tim_ie_offset = (int)(p - pie); @@ -83,7 +83,7 @@ static void update_BCNTIM(struct adapter *padapter) /* get supported rates len */ p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &tmp_len, (pnetwork_mlmeext->IELength - _BEACON_IE_OFFSET_)); - if (p != NULL) + if (p) offset += tmp_len+2; /* DS Parameter Set IE, len = 3 */ @@ -164,7 +164,7 @@ void rtw_add_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork, u8 i += (pIE->Length + 2); } - if (p != NULL && ielen > 0) { + if (p && ielen > 0) { ielen += 2; premainder_ie = p+ielen; @@ -211,7 +211,7 @@ void rtw_remove_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork, p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, index, &ielen, pnetwork->IELength - _FIXED_IE_LENGTH_); - if (p != NULL && ielen > 0) { + if (p && ielen > 0) { ielen += 2; premainder_ie = p+ielen; @@ -909,14 +909,14 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len) memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX); /* get supported rates */ p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_)); - if (p != NULL) { + if (p) { memcpy(supportRate, p+2, ie_len); supportRateNum = ie_len; } /* get ext_supported rates */ p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->IELength - _BEACON_IE_OFFSET_); - if (p != NULL) { + if (p) { memcpy(supportRate+supportRateNum, p+2, ie_len); supportRateNum += ie_len; } @@ -978,7 +978,7 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len) } break; } - if ((p == NULL) || (ie_len == 0)) + if (!p || ie_len == 0) break; } @@ -1002,7 +1002,7 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len) break; } - if ((p == NULL) || (ie_len == 0)) + if (!p || ie_len == 0) break; } } @@ -1089,7 +1089,7 @@ int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len) psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->MacAddress); if (!psta) { psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->MacAddress); - if (psta == NULL) + if (!psta) return _FAIL; } @@ -1292,7 +1292,7 @@ static void update_bcn_wps_ie(struct adapter *padapter) pwps_ie = rtw_get_wps_ie(ie+_FIXED_IE_LENGTH_, ielen-_FIXED_IE_LENGTH_, NULL, &wps_ielen); - if (pwps_ie == NULL || wps_ielen == 0) + if (!pwps_ie || wps_ielen == 0) return; wps_offset = (uint)(pwps_ie-ie); @@ -1308,7 +1308,7 @@ static void update_bcn_wps_ie(struct adapter *padapter) } pwps_ie_src = pmlmepriv->wps_beacon_ie; - if (pwps_ie_src == NULL) + if (!pwps_ie_src) return; wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */ diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c index 8f434768dd15..89fce9a5f783 100644 --- a/drivers/staging/r8188eu/core/rtw_br_ext.c +++ b/drivers/staging/r8188eu/core/rtw_br_ext.c @@ -336,7 +336,7 @@ static inline void __network_hash_link(struct adapter *priv, { /* Caller must spin_lock already! */ ent->next_hash = priv->nethash[hash]; - if (ent->next_hash != NULL) + if (ent->next_hash) ent->next_hash->pprev_hash = &ent->next_hash; priv->nethash[hash] = ent; ent->pprev_hash = &priv->nethash[hash]; @@ -346,7 +346,7 @@ static inline void __network_hash_unlink(struct nat25_network_db_entry *ent) { /* Caller must spin_lock already! */ *(ent->pprev_hash) = ent->next_hash; - if (ent->next_hash != NULL) + if (ent->next_hash) ent->next_hash->pprev_hash = ent->pprev_hash; ent->next_hash = NULL; ent->pprev_hash = NULL; @@ -360,7 +360,7 @@ static int __nat25_db_network_lookup_and_replace(struct adapter *priv, spin_lock_bh(&priv->br_ext_lock); db = priv->nethash[__nat25_network_hash(networkAddr)]; - while (db != NULL) { + while (db) { if (!memcmp(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN)) { if (!__nat25_has_expired(priv, db)) { /* replace the destination mac address */ @@ -411,7 +411,7 @@ static void __nat25_db_network_insert(struct adapter *priv, spin_lock_bh(&priv->br_ext_lock); hash = __nat25_network_hash(networkAddr); db = priv->nethash[hash]; - while (db != NULL) { + while (db) { if (!memcmp(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN)) { memcpy(db->macAddr, macAddr, ETH_ALEN); db->ageing_timer = jiffies; @@ -421,7 +421,7 @@ static void __nat25_db_network_insert(struct adapter *priv, db = db->next_hash; } db = (struct nat25_network_db_entry *) rtw_malloc(sizeof(*db)); - if (db == NULL) { + if (!db) { spin_unlock_bh(&priv->br_ext_lock); return; } @@ -452,7 +452,7 @@ void nat25_db_cleanup(struct adapter *priv) for (i = 0; i < NAT25_HASH_SIZE; i++) { struct nat25_network_db_entry *f; f = priv->nethash[i]; - while (f != NULL) { + while (f) { struct nat25_network_db_entry *g; g = f->next_hash; @@ -479,7 +479,7 @@ void nat25_db_expire(struct adapter *priv) struct nat25_network_db_entry *f; f = priv->nethash[i]; - while (f != NULL) { + while (f) { struct nat25_network_db_entry *g; g = f->next_hash; @@ -506,7 +506,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method) unsigned char networkAddr[MAX_NETWORK_ADDR_LEN]; unsigned int tmp; - if (skb == NULL) + if (!skb) return -1; if ((method <= NAT25_MIN) || (method >= NAT25_MAX)) @@ -675,7 +675,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method) } /* IPX */ - if (ipx != NULL) { + if (ipx) { switch (method) { case NAT25_CHECK: if (!memcmp(skb->data+ETH_ALEN, ipx->ipx_source.node, ETH_ALEN)) @@ -732,7 +732,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method) default: return -1; } - } else if (ea != NULL) { + } else if (ea) { /* Sanity check fields. */ if (ea->hw_len != ETH_ALEN || ea->pa_len != AARP_PA_ALEN) { DEBUG_WARN("NAT25: Appletalk AARP Sanity check fail!\n"); @@ -775,7 +775,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method) default: return -1; } - } else if (ddp != NULL) { + } else if (ddp) { switch (method) { case NAT25_CHECK: return -1; @@ -900,7 +900,7 @@ int nat25_db_handle(struct adapter *priv, struct sk_buff *skb, int method) int offset = 0; ptr = __nat25_find_pppoe_tag(ph, ntohs(PTT_RELAY_SID)); - if (ptr == NULL) { + if (!ptr) { DEBUG_ERR("Fail to find PTT_RELAY_SID in FADO!\n"); return -1; } @@ -1132,7 +1132,7 @@ struct dhcpMessage { void dhcp_flag_bcast(struct adapter *priv, struct sk_buff *skb) { - if (skb == NULL) + if (!skb) return; if (!priv->ethBrExtInfo.dhcp_bcst_disable) { @@ -1182,7 +1182,7 @@ void *scdb_findEntry(struct adapter *priv, unsigned char *macAddr, __nat25_generate_ipv4_network_addr(networkAddr, (unsigned int *)ipAddr); hash = __nat25_network_hash(networkAddr); db = priv->nethash[hash]; - while (db != NULL) { + while (db) { if (!memcmp(db->networkAddr, networkAddr, MAX_NETWORK_ADDR_LEN)) { return (void *)db; } diff --git a/drivers/staging/r8188eu/core/rtw_cmd.c b/drivers/staging/r8188eu/core/rtw_cmd.c index 4e17972ee66e..c432cc6e1b4d 100644 --- a/drivers/staging/r8188eu/core/rtw_cmd.c +++ b/drivers/staging/r8188eu/core/rtw_cmd.c @@ -33,7 +33,7 @@ int _rtw_init_cmd_priv (struct cmd_priv *pcmdpriv) pcmdpriv->cmd_allocated_buf = kzalloc(MAX_CMDSZ + CMDBUFF_ALIGN_SZ, GFP_KERNEL); - if (pcmdpriv->cmd_allocated_buf == NULL) { + if (!pcmdpriv->cmd_allocated_buf) { res = _FAIL; goto exit; } @@ -42,7 +42,7 @@ int _rtw_init_cmd_priv (struct cmd_priv *pcmdpriv) pcmdpriv->rsp_allocated_buf = kzalloc(MAX_RSPSZ + 4, GFP_KERNEL); - if (pcmdpriv->rsp_allocated_buf == NULL) { + if (!pcmdpriv->rsp_allocated_buf) { res = _FAIL; goto exit; } @@ -85,7 +85,7 @@ void rtw_free_evt_priv(struct evt_priv *pevtpriv) while (!rtw_cbuf_empty(pevtpriv->c2h_queue)) { void *c2h = rtw_cbuf_pop(pevtpriv->c2h_queue); - if (c2h != NULL && c2h != (void *)pevtpriv) + if (c2h && c2h != (void *)pevtpriv) kfree(c2h); } RT_TRACE(_module_rtl871x_cmd_c_, _drv_info_, ("-rtw_free_evt_priv\n")); @@ -121,7 +121,7 @@ int _rtw_enqueue_cmd(struct __queue *queue, struct cmd_obj *obj) { unsigned long flags; - if (obj == NULL) + if (!obj) goto exit; spin_lock_irqsave(&queue->lock, flags); @@ -207,7 +207,7 @@ u32 rtw_enqueue_cmd(struct cmd_priv *pcmdpriv, struct cmd_obj *cmd_obj) int res = _FAIL; struct adapter *padapter = pcmdpriv->padapter; - if (cmd_obj == NULL) + if (!cmd_obj) goto exit; cmd_obj->padapter = padapter; @@ -253,7 +253,7 @@ void rtw_free_cmd_obj(struct cmd_obj *pcmd) kfree(pcmd->parmbuf); } - if (pcmd->rsp != NULL) { + if (pcmd->rsp) { if (pcmd->rspsz != 0) { /* free rsp in cmd_obj */ kfree(pcmd->rsp); @@ -337,7 +337,7 @@ int rtw_cmd_thread(void *context) /* call callback function for post-processed */ if (pcmd->cmdcode < ARRAY_SIZE(rtw_cmd_callback)) { pcmd_callback = rtw_cmd_callback[pcmd->cmdcode].callback; - if (pcmd_callback == NULL) { + if (!pcmd_callback) { RT_TRACE(_module_rtl871x_cmd_c_, _drv_info_, ("mlme_cmd_hdl(): pcmd_callback = 0x%p, cmdcode = 0x%x\n", pcmd_callback, pcmd->cmdcode)); rtw_free_cmd_obj(pcmd); } else { @@ -358,7 +358,7 @@ int rtw_cmd_thread(void *context) /* free all cmd_obj resources */ do { pcmd = rtw_dequeue_cmd(pcmdpriv); - if (pcmd == NULL) + if (!pcmd) break; /* DBG_88E("%s: leaving... drop cmdcode:%u\n", __func__, pcmd->cmdcode); */ @@ -380,13 +380,13 @@ u8 rtw_setstandby_cmd(struct adapter *padapter, uint action) u8 ret = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { ret = _FAIL; goto exit; } psetusbsuspend = kzalloc(sizeof(struct usb_suspend_parm), GFP_ATOMIC); - if (psetusbsuspend == NULL) { + if (!psetusbsuspend) { kfree(ph2c); ret = _FAIL; goto exit; @@ -426,11 +426,11 @@ u8 rtw_sitesurvey_cmd(struct adapter *padapter, struct ndis_802_11_ssid *ssid, } ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) + if (!ph2c) return _FAIL; psurveyPara = kzalloc(sizeof(struct sitesurvey_parm), GFP_ATOMIC); - if (psurveyPara == NULL) { + if (!psurveyPara) { kfree(ph2c); return _FAIL; } @@ -499,13 +499,13 @@ u8 rtw_setdatarate_cmd(struct adapter *padapter, u8 *rateset) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } pbsetdataratepara = kzalloc(sizeof(struct setdatarate_parm), GFP_ATOMIC); - if (pbsetdataratepara == NULL) { + if (!pbsetdataratepara) { kfree(ph2c); res = _FAIL; goto exit; @@ -528,13 +528,13 @@ u8 rtw_setbasicrate_cmd(struct adapter *padapter, u8 *rateset) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } pssetbasicratepara = kzalloc(sizeof(struct setbasicrate_parm), GFP_ATOMIC); - if (pssetbasicratepara == NULL) { + if (!pssetbasicratepara) { kfree(ph2c); res = _FAIL; goto exit; @@ -565,13 +565,13 @@ u8 rtw_setphy_cmd(struct adapter *padapter, u8 modem, u8 ch) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } psetphypara = kzalloc(sizeof(struct setphy_parm), GFP_ATOMIC); - if (psetphypara == NULL) { + if (!psetphypara) { kfree(ph2c); res = _FAIL; goto exit; @@ -598,13 +598,13 @@ u8 rtw_setbbreg_cmd(struct adapter *padapter, u8 offset, u8 val) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } pwritebbparm = kzalloc(sizeof(struct writeBB_parm), GFP_ATOMIC); - if (pwritebbparm == NULL) { + if (!pwritebbparm) { kfree(ph2c); res = _FAIL; goto exit; @@ -629,13 +629,13 @@ u8 rtw_getbbreg_cmd(struct adapter *padapter, u8 offset, u8 *pval) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } prdbbparm = kzalloc(sizeof(struct readBB_parm), GFP_ATOMIC); - if (prdbbparm == NULL) { + if (!prdbbparm) { kfree(ph2c); return _FAIL; } @@ -663,13 +663,13 @@ u8 rtw_setrfreg_cmd(struct adapter *padapter, u8 offset, u32 val) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } pwriterfparm = kzalloc(sizeof(struct writeRF_parm), GFP_ATOMIC); - if (pwriterfparm == NULL) { + if (!pwriterfparm) { kfree(ph2c); res = _FAIL; goto exit; @@ -694,13 +694,13 @@ u8 rtw_getrfreg_cmd(struct adapter *padapter, u8 offset, u8 *pval) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } prdrfparm = kzalloc(sizeof(struct readRF_parm), GFP_ATOMIC); - if (prdrfparm == NULL) { + if (!prdrfparm) { kfree(ph2c); res = _FAIL; goto exit; @@ -762,7 +762,7 @@ u8 rtw_createbss_cmd(struct adapter *padapter) RT_TRACE(_module_rtl871x_cmd_c_, _drv_info_, (" createbss for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid)); pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); - if (pcmd == NULL) { + if (!pcmd) { res = _FAIL; goto exit; } @@ -787,7 +787,7 @@ u8 rtw_createbss_cmd_ex(struct adapter *padapter, unsigned char *pbss, unsigned u8 res = _SUCCESS; pcmd = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (pcmd == NULL) { + if (!pcmd) { res = _FAIL; goto exit; } @@ -831,7 +831,7 @@ u8 rtw_joinbss_cmd(struct adapter *padapter, struct wlan_network *pnetwork) } pcmd = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (pcmd == NULL) { + if (!pcmd) { res = _FAIL; RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("rtw_joinbss_cmd: memory allocate for cmd_obj fail!!!\n")); goto exit; @@ -856,8 +856,8 @@ u8 rtw_joinbss_cmd(struct adapter *padapter, struct wlan_network *pnetwork) } psecnetwork = (struct wlan_bssid_ex *)&psecuritypriv->sec_bss; - if (psecnetwork == NULL) { - if (pcmd != NULL) + if (!psecnetwork) { + if (pcmd) kfree(pcmd); res = _FAIL; @@ -954,7 +954,7 @@ u8 rtw_disassoc_cmd(struct adapter *padapter, u32 deauth_timeout_ms, bool enqueu /* prepare cmd parameter */ param = kzalloc(sizeof(*param), GFP_ATOMIC); - if (param == NULL) { + if (!param) { res = _FAIL; goto exit; } @@ -963,7 +963,7 @@ u8 rtw_disassoc_cmd(struct adapter *padapter, u32 deauth_timeout_ms, bool enqueu if (enqueue) { /* need enqueue, prepare cmd_obj and enqueue */ cmdobj = kzalloc(sizeof(*cmdobj), GFP_ATOMIC); - if (cmdobj == NULL) { + if (!cmdobj) { res = _FAIL; kfree(param); goto exit; @@ -991,13 +991,13 @@ u8 rtw_setopmode_cmd(struct adapter *padapter, enum ndis_802_11_network_infra n u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); - if (ph2c == NULL) { + if (!ph2c) { res = false; goto exit; } psetop = kzalloc(sizeof(struct setopmode_parm), GFP_KERNEL); - if (psetop == NULL) { + if (!psetop) { kfree(ph2c); res = false; goto exit; @@ -1026,20 +1026,20 @@ u8 rtw_setstakey_cmd(struct adapter *padapter, u8 *psta, u8 unicast_key) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } psetstakey_para = kzalloc(sizeof(struct set_stakey_parm), GFP_KERNEL); - if (psetstakey_para == NULL) { + if (!psetstakey_para) { kfree(ph2c); res = _FAIL; goto exit; } psetstakey_rsp = kzalloc(sizeof(struct set_stakey_rsp), GFP_KERNEL); - if (psetstakey_rsp == NULL) { + if (!psetstakey_rsp) { kfree(ph2c); kfree(psetstakey_para); res = _FAIL; @@ -1085,14 +1085,14 @@ u8 rtw_clearstakey_cmd(struct adapter *padapter, u8 *psta, u8 entry, u8 enqueue) clear_cam_entry(padapter, entry); } else { ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } psetstakey_para = kzalloc(sizeof(struct set_stakey_parm), GFP_ATOMIC); - if (psetstakey_para == NULL) { + if (!psetstakey_para) { kfree(ph2c); res = _FAIL; goto exit; @@ -1100,7 +1100,7 @@ u8 rtw_clearstakey_cmd(struct adapter *padapter, u8 *psta, u8 entry, u8 enqueue) psetstakey_rsp = kzalloc(sizeof(struct set_stakey_rsp), GFP_ATOMIC); - if (psetstakey_rsp == NULL) { + if (!psetstakey_rsp) { kfree(ph2c); kfree(psetstakey_para); res = _FAIL; @@ -1132,13 +1132,13 @@ u8 rtw_setrttbl_cmd(struct adapter *padapter, struct setratable_parm *prate_tab u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } psetrttblparm = kzalloc(sizeof(struct setratable_parm), GFP_KERNEL); - if (psetrttblparm == NULL) { + if (!psetrttblparm) { kfree(ph2c); res = _FAIL; goto exit; @@ -1162,13 +1162,13 @@ u8 rtw_getrttbl_cmd(struct adapter *padapter, struct getratable_rsp *pval) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } pgetrttblparm = kzalloc(sizeof(struct getratable_parm), GFP_KERNEL); - if (pgetrttblparm == NULL) { + if (!pgetrttblparm) { kfree(ph2c); res = _FAIL; goto exit; @@ -1201,20 +1201,20 @@ u8 rtw_setassocsta_cmd(struct adapter *padapter, u8 *mac_addr) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } psetassocsta_para = kzalloc(sizeof(struct set_assocsta_parm), GFP_ATOMIC); - if (psetassocsta_para == NULL) { + if (!psetassocsta_para) { kfree(ph2c); res = _FAIL; goto exit; } psetassocsta_rsp = kzalloc(sizeof(struct set_assocsta_rsp), GFP_ATOMIC); - if (psetassocsta_rsp == NULL) { + if (!psetassocsta_rsp) { kfree(ph2c); kfree(psetassocsta_para); return _FAIL; @@ -1241,13 +1241,13 @@ u8 rtw_addbareq_cmd(struct adapter *padapter, u8 tid, u8 *addr) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } paddbareq_parm = kzalloc(sizeof(struct addBaReq_parm), GFP_ATOMIC); - if (paddbareq_parm == NULL) { + if (!paddbareq_parm) { kfree(ph2c); res = _FAIL; goto exit; @@ -1276,13 +1276,13 @@ u8 rtw_dynamic_chk_wk_cmd(struct adapter *padapter) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_ATOMIC); - if (pdrvextra_cmd_parm == NULL) { + if (!pdrvextra_cmd_parm) { kfree(ph2c); res = _FAIL; goto exit; @@ -1316,7 +1316,7 @@ u8 rtw_set_ch_cmd(struct adapter *padapter, u8 ch, u8 bw, u8 ch_offset, u8 enque /* prepare cmd parameter */ set_ch_parm = kzalloc(sizeof(*set_ch_parm), GFP_ATOMIC); - if (set_ch_parm == NULL) { + if (!set_ch_parm) { res = _FAIL; goto exit; } @@ -1327,7 +1327,7 @@ u8 rtw_set_ch_cmd(struct adapter *padapter, u8 ch, u8 bw, u8 ch_offset, u8 enque if (enqueue) { /* need enqueue, prepare cmd_obj and enqueue */ pcmdobj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (pcmdobj == NULL) { + if (!pcmdobj) { kfree(set_ch_parm); res = _FAIL; goto exit; @@ -1371,7 +1371,7 @@ u8 rtw_set_chplan_cmd(struct adapter *padapter, u8 chplan, u8 enqueue) /* prepare cmd parameter */ setChannelPlan_param = kzalloc(sizeof(struct SetChannelPlan_param), GFP_KERNEL); - if (setChannelPlan_param == NULL) { + if (!setChannelPlan_param) { res = _FAIL; goto exit; } @@ -1380,7 +1380,7 @@ u8 rtw_set_chplan_cmd(struct adapter *padapter, u8 chplan, u8 enqueue) if (enqueue) { /* need enqueue, prepare cmd_obj and enqueue */ pcmdobj = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); - if (pcmdobj == NULL) { + if (!pcmdobj) { kfree(setChannelPlan_param); res = _FAIL; goto exit; @@ -1416,13 +1416,13 @@ u8 rtw_led_blink_cmd(struct adapter *padapter, struct LED_871x *pLed) RT_TRACE(_module_rtl871x_cmd_c_, _drv_notice_, ("+rtw_led_blink_cmd\n")); pcmdobj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (pcmdobj == NULL) { + if (!pcmdobj) { res = _FAIL; goto exit; } ledBlink_param = kzalloc(sizeof(struct LedBlink_param), GFP_ATOMIC); - if (ledBlink_param == NULL) { + if (!ledBlink_param) { kfree(pcmdobj); res = _FAIL; goto exit; @@ -1449,14 +1449,14 @@ u8 rtw_set_csa_cmd(struct adapter *padapter, u8 new_ch_no) RT_TRACE(_module_rtl871x_cmd_c_, _drv_notice_, ("+rtw_set_csa_cmd\n")); pcmdobj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (pcmdobj == NULL) { + if (!pcmdobj) { res = _FAIL; goto exit; } setChannelSwitch_param = kzalloc(sizeof(struct SetChannelSwitch_param), GFP_ATOMIC); - if (setChannelSwitch_param == NULL) { + if (!setChannelSwitch_param) { kfree(pcmdobj); res = _FAIL; goto exit; @@ -1614,14 +1614,14 @@ u8 rtw_lps_ctrl_wk_cmd(struct adapter *padapter, u8 lps_ctrl_type, u8 enqueue) if (enqueue) { ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_ATOMIC); - if (pdrvextra_cmd_parm == NULL) { + if (!pdrvextra_cmd_parm) { kfree(ph2c); res = _FAIL; goto exit; @@ -1657,14 +1657,14 @@ u8 rtw_rpt_timer_cfg_cmd(struct adapter *padapter, u16 min_time) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_ATOMIC); - if (pdrvextra_cmd_parm == NULL) { + if (!pdrvextra_cmd_parm) { kfree(ph2c); res = _FAIL; goto exit; @@ -1699,14 +1699,14 @@ u8 rtw_antenna_select_cmd(struct adapter *padapter, u8 antenna, u8 enqueue) if (enqueue) { ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_KERNEL); - if (pdrvextra_cmd_parm == NULL) { + if (!pdrvextra_cmd_parm) { kfree(ph2c); res = _FAIL; goto exit; @@ -1744,13 +1744,13 @@ u8 p2p_protocol_wk_cmd(struct adapter *padapter, int intCmdType) return res; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_ATOMIC); - if (pdrvextra_cmd_parm == NULL) { + if (!pdrvextra_cmd_parm) { kfree(ph2c); res = _FAIL; goto exit; @@ -1779,13 +1779,13 @@ u8 rtw_ps_cmd(struct adapter *padapter) u8 res = _SUCCESS; ppscmd = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ppscmd == NULL) { + if (!ppscmd) { res = _FAIL; goto exit; } pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_ATOMIC); - if (pdrvextra_cmd_parm == NULL) { + if (!pdrvextra_cmd_parm) { kfree(ppscmd); res = _FAIL; goto exit; @@ -1852,13 +1852,13 @@ u8 rtw_chk_hi_queue_cmd(struct adapter *padapter) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_ATOMIC); - if (pdrvextra_cmd_parm == NULL) { + if (!pdrvextra_cmd_parm) { kfree(ph2c); res = _FAIL; goto exit; @@ -1884,13 +1884,13 @@ u8 rtw_c2h_wk_cmd(struct adapter *padapter, u8 *c2h_evt) u8 res = _SUCCESS; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } pdrvextra_cmd_parm = kzalloc(sizeof(struct drvextra_cmd_parm), GFP_ATOMIC); - if (pdrvextra_cmd_parm == NULL) { + if (!pdrvextra_cmd_parm) { kfree(ph2c); res = _FAIL; goto exit; @@ -2103,7 +2103,7 @@ void rtw_createbss_cmd_callback(struct adapter *padapter, struct cmd_obj *pcmd) psta = rtw_get_stainfo(&padapter->stapriv, pnetwork->MacAddress); if (!psta) { psta = rtw_alloc_stainfo(&padapter->stapriv, pnetwork->MacAddress); - if (psta == NULL) { + if (!psta) { RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\nCan't alloc sta_info when createbss_cmd_callback\n")); goto createbss_cmd_fail ; } @@ -2114,9 +2114,9 @@ void rtw_createbss_cmd_callback(struct adapter *padapter, struct cmd_obj *pcmd) pwlan = _rtw_alloc_network(pmlmepriv); spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); - if (pwlan == NULL) { + if (!pwlan) { pwlan = rtw_get_oldest_wlan_network(&pmlmepriv->scanned_queue); - if (pwlan == NULL) { + if (!pwlan) { RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\n Error: can't get pwlan in rtw_joinbss_event_callback\n")); spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); goto createbss_cmd_fail; @@ -2151,7 +2151,7 @@ void rtw_setstaKey_cmdrsp_callback(struct adapter *padapter, struct cmd_obj *pc struct set_stakey_rsp *psetstakey_rsp = (struct set_stakey_rsp *)(pcmd->rsp); struct sta_info *psta = rtw_get_stainfo(pstapriv, psetstakey_rsp->addr); - if (psta == NULL) { + if (!psta) { RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\nERROR: rtw_setstaKey_cmdrsp_callback => can't get sta_info\n\n")); goto exit; } @@ -2168,7 +2168,7 @@ void rtw_setassocsta_cmdrsp_callback(struct adapter *padapter, struct cmd_obj * struct set_assocsta_rsp *passocsta_rsp = (struct set_assocsta_rsp *)(pcmd->rsp); struct sta_info *psta = rtw_get_stainfo(pstapriv, passocsta_parm->addr); - if (psta == NULL) { + if (!psta) { RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\nERROR: setassocsta_cmdrsp_callbac => can't get sta_info\n\n")); goto exit; } diff --git a/drivers/staging/r8188eu/core/rtw_efuse.c b/drivers/staging/r8188eu/core/rtw_efuse.c index e84540a7d2c5..9e9085aab952 100644 --- a/drivers/staging/r8188eu/core/rtw_efuse.c +++ b/drivers/staging/r8188eu/core/rtw_efuse.c @@ -534,7 +534,7 @@ u8 rtw_efuse_map_write(struct adapter *padapter, u16 addr, u16 cnts, u8 *data) return _FAIL; map = rtw_zmalloc(mapLen); - if (map == NULL) + if (!map) return _FAIL; ret = rtw_efuse_map_read(padapter, 0, mapLen, map); @@ -626,7 +626,7 @@ u8 rtw_BT_efuse_map_write(struct adapter *padapter, u16 addr, u16 cnts, u8 *data return _FAIL; map = rtw_zmalloc(mapLen); - if (map == NULL) + if (!map) return _FAIL; ret = rtw_BT_efuse_map_read(padapter, 0, mapLen, map); diff --git a/drivers/staging/r8188eu/core/rtw_ieee80211.c b/drivers/staging/r8188eu/core/rtw_ieee80211.c index f5ea93e2fff9..2c626dda3e5d 100644 --- a/drivers/staging/r8188eu/core/rtw_ieee80211.c +++ b/drivers/staging/r8188eu/core/rtw_ieee80211.c @@ -705,7 +705,7 @@ u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen) u8 match = false; u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04}; - if (ie_ptr == NULL) + if (!ie_ptr) return match; eid = ie_ptr[0]; @@ -1075,7 +1075,7 @@ u8 key_2char2num(u8 hch, u8 lch) void rtw_macaddr_cfg(u8 *mac_addr) { u8 mac[ETH_ALEN]; - if (mac_addr == NULL) + if (!mac_addr) return; if (rtw_initmac) { /* Users specify the mac address */ @@ -1183,7 +1183,7 @@ u8 *rtw_get_p2p_ie(u8 *in_ie, int in_len, u8 *p2p_ie, uint *p2p_ielen) u8 *p2p_ie_ptr; u8 eid, p2p_oui[4] = {0x50, 0x6F, 0x9A, 0x09}; - if (p2p_ielen != NULL) + if (p2p_ielen) *p2p_ielen = 0; while (cnt < in_len) { @@ -1195,9 +1195,9 @@ u8 *rtw_get_p2p_ie(u8 *in_ie, int in_len, u8 *p2p_ie, uint *p2p_ielen) if ((eid == _VENDOR_SPECIFIC_IE_) && !memcmp(&in_ie[cnt+2], p2p_oui, 4)) { p2p_ie_ptr = in_ie + cnt; - if (p2p_ie != NULL) + if (p2p_ie) memcpy(p2p_ie, &in_ie[cnt], in_ie[cnt + 1] + 2); - if (p2p_ielen != NULL) + if (p2p_ielen) *p2p_ielen = in_ie[cnt + 1] + 2; return p2p_ie_ptr; } else { diff --git a/drivers/staging/r8188eu/core/rtw_io.c b/drivers/staging/r8188eu/core/rtw_io.c index 2c8e7707c9fa..85d1f7deda23 100644 --- a/drivers/staging/r8188eu/core/rtw_io.c +++ b/drivers/staging/r8188eu/core/rtw_io.c @@ -294,7 +294,7 @@ int rtw_init_io_priv(struct adapter *padapter, void (*set_intf_ops)(struct _io_o struct io_priv *piopriv = &padapter->iopriv; struct intf_hdl *pintf = &piopriv->intf; - if (set_intf_ops == NULL) + if (!set_intf_ops) return _FAIL; piopriv->padapter = padapter; diff --git a/drivers/staging/r8188eu/core/rtw_ioctl_set.c b/drivers/staging/r8188eu/core/rtw_ioctl_set.c index 778da7c86995..3e2add5409cc 100644 --- a/drivers/staging/r8188eu/core/rtw_ioctl_set.c +++ b/drivers/staging/r8188eu/core/rtw_ioctl_set.c @@ -435,7 +435,7 @@ u8 rtw_set_802_11_bssid_list_scan(struct adapter *padapter, struct ndis_802_11_s RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("+rtw_set_802_11_bssid_list_scan(), fw_state =%x\n", get_fwstate(pmlmepriv))); - if (padapter == NULL) { + if (!padapter) { res = false; goto exit; } @@ -568,7 +568,7 @@ u8 rtw_set_802_11_remove_wep(struct adapter *padapter, u32 keyindex) { u8 ret = _SUCCESS; - if (keyindex >= 0x80000000 || padapter == NULL) { + if (keyindex >= 0x80000000 || !padapter) { ret = false; goto exit; } else { @@ -622,7 +622,7 @@ u8 rtw_set_802_11_add_key(struct adapter *padapter, struct ndis_802_11_key *key) pbssid = get_bssid(&padapter->mlmepriv); stainfo = rtw_get_stainfo(&padapter->stapriv, pbssid); - if ((stainfo != NULL) && (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)) { + if (stainfo && padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("OID_802_11_ADD_KEY:(stainfo!=NULL)&&(Adapter->securitypriv.dot11AuthAlgrthm==dot11AuthAlgrthm_8021X)\n")); encryptionalgo = stainfo->dot118021XPrivacy; @@ -641,7 +641,7 @@ u8 rtw_set_802_11_add_key(struct adapter *padapter, struct ndis_802_11_key *key) ("rtw_set_802_11_add_key: (Adapter->securitypriv.dot11AuthAlgrthm==%d)!\n", padapter->securitypriv.dot11AuthAlgrthm)); - if ((stainfo != NULL)) + if (stainfo) RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("rtw_set_802_11_add_key: (stainfo->dot118021XPrivacy==%d)!\n", stainfo->dot118021XPrivacy)); @@ -898,7 +898,7 @@ u8 rtw_set_802_11_add_key(struct adapter *padapter, struct ndis_802_11_key *key) pbssid = get_bssid(&padapter->mlmepriv); stainfo = rtw_get_stainfo(&padapter->stapriv, pbssid); - if (stainfo != NULL) { + if (stainfo) { memset(&stainfo->dot118021x_UncstKey, 0, 16);/* clear keybuffer */ memcpy(&stainfo->dot118021x_UncstKey, key->KeyMaterial, 16); diff --git a/drivers/staging/r8188eu/core/rtw_iol.c b/drivers/staging/r8188eu/core/rtw_iol.c index 0382ff524657..0e5ce12d4b57 100644 --- a/drivers/staging/r8188eu/core/rtw_iol.c +++ b/drivers/staging/r8188eu/core/rtw_iol.c @@ -11,13 +11,13 @@ struct xmit_frame *rtw_IOL_accquire_xmit_frame(struct adapter *adapter) struct xmit_priv *pxmitpriv = &(adapter->xmitpriv); xmit_frame = rtw_alloc_xmitframe(pxmitpriv); - if (xmit_frame == NULL) { + if (!xmit_frame) { DBG_88E("%s rtw_alloc_xmitframe return null\n", __func__); goto exit; } xmitbuf = rtw_alloc_xmitbuf(pxmitpriv); - if (xmitbuf == NULL) { + if (!xmitbuf) { DBG_88E("%s rtw_alloc_xmitbuf return null\n", __func__); rtw_free_xmitframe(pxmitpriv, xmit_frame); xmit_frame = NULL; diff --git a/drivers/staging/r8188eu/core/rtw_mlme.c b/drivers/staging/r8188eu/core/rtw_mlme.c index d692f1477cc8..af4b7053686f 100644 --- a/drivers/staging/r8188eu/core/rtw_mlme.c +++ b/drivers/staging/r8188eu/core/rtw_mlme.c @@ -58,7 +58,7 @@ int _rtw_init_mlme_priv (struct adapter *padapter) pbuf = rtw_zvmalloc(MAX_BSS_CNT * (sizeof(struct wlan_network))); - if (pbuf == NULL) { + if (!pbuf) { res = _FAIL; goto exit; } @@ -143,7 +143,7 @@ void _rtw_free_mlme_priv (struct mlme_priv *pmlmepriv) int _rtw_enqueue_network(struct __queue *queue, struct wlan_network *pnetwork) { - if (pnetwork == NULL) + if (!pnetwork) goto exit; spin_lock_bh(&queue->lock); @@ -215,7 +215,7 @@ void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwor u32 lifetime = SCANQUEUE_LIFETIME; struct __queue *free_queue = &(pmlmepriv->free_bss_pool); - if (pnetwork == NULL) + if (!pnetwork) return; if (pnetwork->fixed) @@ -240,7 +240,7 @@ void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network * { struct __queue *free_queue = &(pmlmepriv->free_bss_pool); - if (pnetwork == NULL) + if (!pnetwork) return; if (pnetwork->fixed) return; @@ -470,7 +470,7 @@ struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue) pwlan = container_of(plist, struct wlan_network, list); if (!pwlan->fixed) { - if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned)) + if (!oldest || time_after(oldest->last_scanned, pwlan->last_scanned)) oldest = pwlan; } @@ -588,7 +588,7 @@ void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *t pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */ - if (pnetwork == NULL) { + if (!pnetwork) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n")); goto exit; } @@ -663,7 +663,7 @@ static int rtw_is_desired_network(struct adapter *adapter, struct wlan_network * privacy = pnetwork->network.Privacy; if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) { - if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen) != NULL) + if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen)) return true; else return false; @@ -1039,7 +1039,7 @@ static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, str struct sta_priv *pstapriv = &padapter->stapriv; psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress); - if (psta == NULL) + if (!psta) psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress); if (psta) { /* update ptarget_sta */ @@ -1231,7 +1231,7 @@ void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf) /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */ if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) { ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork); - if (ptarget_sta == NULL) { + if (!ptarget_sta) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n")); spin_unlock_bh(&pmlmepriv->scanned_queue.lock); goto ignore_joinbss_callback; @@ -1301,7 +1301,7 @@ static u8 search_max_mac_id(struct adapter *padapter) #if defined (CONFIG_88EU_AP_MODE) if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { for (aid = (pstapriv->max_num_sta); aid > 0; aid--) { - if (pstapriv->sta_aid[aid-1] != NULL) + if (pstapriv->sta_aid[aid-1]) break; } mac_id = aid + 1; @@ -1323,7 +1323,7 @@ void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, u16 media_status_rpt; u8 macid; - if (psta == NULL) + if (!psta) return; macid = search_max_mac_id(adapter); @@ -1355,13 +1355,13 @@ void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf) #endif /* for AD-HOC mode */ psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr); - if (psta != NULL) { + if (psta) { /* the sta have been in sta_info_queue => do nothing */ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n")); return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */ } psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr); - if (psta == NULL) { + if (!psta) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n")); return; } @@ -1657,7 +1657,7 @@ static int rtw_check_join_candidate(struct mlme_priv *pmlmepriv goto exit; } - if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) { + if (!*candidate || (*candidate)->network.Rssi < competitor->network.Rssi) { *candidate = competitor; updated = true; } @@ -1698,7 +1698,7 @@ int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv) pmlmepriv->pscanned = phead->next; while (phead != pmlmepriv->pscanned) { pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list); - if (pnetwork == NULL) { + if (!pnetwork) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork==NULL)\n", __func__)); ret = _FAIL; goto exit; @@ -1706,7 +1706,7 @@ int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv) pmlmepriv->pscanned = pmlmepriv->pscanned->next; rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork); } - if (candidate == NULL) { + if (!candidate) { DBG_88E("%s: return _FAIL(candidate==NULL)\n", __func__); ret = _FAIL; goto exit; @@ -1751,13 +1751,13 @@ int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv) int res = _SUCCESS; pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); - if (pcmd == NULL) { + if (!pcmd) { res = _FAIL; /* try again */ goto exit; } psetauthparm = (struct setauth_parm *)rtw_zmalloc(sizeof(struct setauth_parm)); - if (psetauthparm == NULL) { + if (!psetauthparm) { kfree(pcmd); res = _FAIL; goto exit; @@ -1789,12 +1789,12 @@ int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, in int res = _SUCCESS; pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); - if (pcmd == NULL) { + if (!pcmd) { res = _FAIL; /* try again */ goto exit; } psetkeyparm = (struct setkey_parm *)rtw_zmalloc(sizeof(struct setkey_parm)); - if (psetkeyparm == NULL) { + if (!psetkeyparm) { kfree(pcmd); res = _FAIL; goto exit; @@ -2276,7 +2276,7 @@ void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitfr else psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); - if (psta == NULL) + if (!psta) return; phtpriv = &psta->htpriv; @@ -2308,7 +2308,7 @@ void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network) struct wlan_network *pnetwork; - if (tgt_network != NULL) + if (tgt_network) pnetwork = tgt_network; else pnetwork = &pmlmepriv->cur_network; diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c index 1160b7caffdd..00650888a2e3 100644 --- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c +++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c @@ -289,7 +289,7 @@ static void init_channel_list(struct adapter *padapter, struct rt_channel_info * ((BW40MINUS == o->bw) || (BW40PLUS == o->bw))) continue; - if (reg == NULL) { + if (!reg) { reg = &channel_list->reg_class[cla]; cla++; reg->reg_class = o->op_class; @@ -442,7 +442,7 @@ void mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame) } ptable += index; - if (psta != NULL) { + if (psta) { if (GetRetry(pframe)) { if (precv_frame->attrib.seq_num == psta->RxMgmtFrameSeqNum) { /* drop the duplicate management frame */ @@ -570,7 +570,7 @@ unsigned int OnProbeReq(struct adapter *padapter, struct recv_frame *precv_frame len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_); /* check (wildcard) SSID */ - if (p != NULL) { + if (p) { if (is_valid_p2p_probereq) goto _issue_probersp; @@ -685,7 +685,7 @@ unsigned int OnBeacon(struct adapter *padapter, struct recv_frame *precv_frame) if (((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) && (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) { psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); - if (psta != NULL) { + if (psta) { ret = rtw_check_bcn_info(padapter, pframe, len); if (!ret) { DBG_88E_LEVEL(_drv_info_, "ap has changed, disconnect now\n "); @@ -700,7 +700,7 @@ unsigned int OnBeacon(struct adapter *padapter, struct recv_frame *precv_frame) } } else if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) { psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); - if (psta != NULL) { + if (psta) { /* update WMM, ERP in the beacon */ /* todo: the timer is used instead of the number of the beacon received */ if ((sta_rx_pkts(psta) & 0xf) == 0) @@ -781,11 +781,11 @@ unsigned int OnAuth(struct adapter *padapter, struct recv_frame *precv_frame) } pstat = rtw_get_stainfo(pstapriv, sa); - if (pstat == NULL) { + if (!pstat) { /* allocate a new one */ DBG_88E("going to alloc stainfo for sa=%pM\n", sa); pstat = rtw_alloc_stainfo(pstapriv, sa); - if (pstat == NULL) { + if (!pstat) { DBG_88E(" Exceed the upper limit of supported clients...\n"); status = _STATS_UNABLE_HANDLE_STA_; goto auth_fail; @@ -850,7 +850,7 @@ unsigned int OnAuth(struct adapter *padapter, struct recv_frame *precv_frame) p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + 4 + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, (int *)&ie_len, len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_ - 4); - if ((p == NULL) || (ie_len <= 0)) { + if (!p || ie_len <= 0) { DBG_88E("auth rejected because challenge failure!(1)\n"); status = _STATS_CHALLENGE_FAIL_; goto auth_fail; @@ -947,7 +947,7 @@ unsigned int OnAuthClient(struct adapter *padapter, struct recv_frame *precv_fra p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, (int *)&len, pkt_len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_); - if (p == NULL) + if (!p) goto authclnt_fail; memcpy((void *)(pmlmeinfo->chg_txt), (void *)(p + 2), len); @@ -1065,7 +1065,7 @@ unsigned int OnAssocReq(struct adapter *padapter, struct recv_frame *precv_frame /* checking SSID */ p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _SSID_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset); - if (p == NULL) + if (!p) status = _STATS_FAILURE_; if (ie_len == 0) { /* broadcast ssid, however it is not allowed in assocreq */ @@ -1084,7 +1084,7 @@ unsigned int OnAssocReq(struct adapter *padapter, struct recv_frame *precv_frame /* check if the supported rate is ok */ p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _SUPPORTEDRATES_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset); - if (p == NULL) { + if (!p) { DBG_88E("Rx a sta assoc-req which supported rate is empty!\n"); /* use our own rate set as statoin used */ /* memcpy(supportRate, AP_BSSRATE, AP_BSSRATE_LEN); */ @@ -1098,7 +1098,7 @@ unsigned int OnAssocReq(struct adapter *padapter, struct recv_frame *precv_frame p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _EXT_SUPPORTEDRATES_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset); - if (p != NULL) { + if (p) { if (supportRateNum <= sizeof(supportRate)) { memcpy(supportRate+supportRateNum, p+2, ie_len); supportRateNum += ie_len; @@ -1173,7 +1173,7 @@ unsigned int OnAssocReq(struct adapter *padapter, struct recv_frame *precv_frame goto OnAssocReqFail; pstat->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS); - if (wpa_ie == NULL) { + if (!wpa_ie) { if (elems.wps_ie) { DBG_88E("STA included WPS IE in " "(Re)Association Request - assume WPS is " @@ -1243,7 +1243,7 @@ unsigned int OnAssocReq(struct adapter *padapter, struct recv_frame *precv_frame p = pframe + WLAN_HDR_A3_LEN + ie_offset; ie_len = 0; for (;;) { p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset); - if (p != NULL) { + if (p) { if (!memcmp(p+2, WMM_IE, 6)) { pstat->flags |= WLAN_STA_WME; @@ -1357,7 +1357,7 @@ unsigned int OnAssocReq(struct adapter *padapter, struct recv_frame *precv_frame DBG_88E(" old AID %d\n", pstat->aid); } else { for (pstat->aid = 1; pstat->aid <= NUM_STA; pstat->aid++) - if (pstapriv->sta_aid[pstat->aid - 1] == NULL) + if (!pstapriv->sta_aid[pstat->aid - 1]) break; /* if (pstat->aid > NUM_STA) { */ @@ -1753,7 +1753,7 @@ unsigned int OnAction_back(struct adapter *padapter, struct recv_frame *precv_fr addr = GetAddr2Ptr(pframe); psta = rtw_get_stainfo(pstapriv, addr); - if (psta == NULL) + if (!psta) return _SUCCESS; frame_body = (unsigned char *)(pframe + sizeof(struct rtw_ieee80211_hdr_3addr)); @@ -1839,7 +1839,7 @@ void issue_p2p_GO_request(struct adapter *padapter, u8 *raddr) struct wifidirect_info *pwdinfo = &(padapter->wdinfo); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; DBG_88E("[%s] In\n", __func__); @@ -2177,7 +2177,7 @@ static void issue_p2p_GO_response(struct adapter *padapter, u8 *raddr, u8 *frame struct wifidirect_info *pwdinfo = &(padapter->wdinfo); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; DBG_88E("[%s] In, result=%d\n", __func__, result); @@ -2536,7 +2536,7 @@ static void issue_p2p_GO_confirm(struct adapter *padapter, u8 *raddr, u8 result) struct wifidirect_info *pwdinfo = &(padapter->wdinfo); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; DBG_88E("[%s] In\n", __func__); @@ -2700,7 +2700,7 @@ void issue_p2p_invitation_request(struct adapter *padapter, u8 *raddr) struct wifidirect_info *pwdinfo = &(padapter->wdinfo); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; /* update attribute */ @@ -2948,7 +2948,7 @@ void issue_p2p_invitation_response(struct adapter *padapter, u8 *raddr, u8 dialo struct wifidirect_info *pwdinfo = &(padapter->wdinfo); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; /* update attribute */ @@ -3141,7 +3141,7 @@ void issue_p2p_provision_request(struct adapter *padapter, u8 *pssid, u8 ussidle struct wifidirect_info *pwdinfo = &(padapter->wdinfo); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; DBG_88E("[%s] In\n", __func__); @@ -3254,7 +3254,7 @@ void issue_probersp_p2p(struct adapter *padapter, unsigned char *da) u32 wpsielen = 0, p2pielen = 0; pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; /* update attribute */ @@ -3502,7 +3502,7 @@ static int _issue_probereq_p2p(struct adapter *padapter, u8 *da, int wait_ack) struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) goto exit; /* update attribute */ @@ -3571,7 +3571,7 @@ static int _issue_probereq_p2p(struct adapter *padapter, u8 *da, int wait_ack) /* Value: */ wpsie[wpsielen++] = WPS_VERSION_1; /* Version 1.0 */ - if (pmlmepriv->wps_probe_req_ie == NULL) { + if (!pmlmepriv->wps_probe_req_ie) { /* UUID-E */ /* Type: */ *(__be16 *)(wpsie + wpsielen) = cpu_to_be16(WPS_ATTR_UUID_E); @@ -3749,7 +3749,7 @@ static int _issue_probereq_p2p(struct adapter *padapter, u8 *da, int wait_ack) pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, p2pielen, (unsigned char *)p2pie, &pattrib->pktlen); - if (pmlmepriv->wps_probe_req_ie != NULL) { + if (pmlmepriv->wps_probe_req_ie) { /* WPS IE */ memcpy(pframe, pmlmepriv->wps_probe_req_ie, pmlmepriv->wps_probe_req_ie_len); pattrib->pktlen += pmlmepriv->wps_probe_req_ie_len; @@ -4282,13 +4282,13 @@ struct xmit_frame *alloc_mgtxmitframe(struct xmit_priv *pxmitpriv) struct xmit_buf *pxmitbuf; pmgntframe = rtw_alloc_xmitframe(pxmitpriv); - if (pmgntframe == NULL) { + if (!pmgntframe) { DBG_88E("%s, alloc xmitframe fail\n", __func__); return NULL; } pxmitbuf = rtw_alloc_xmitbuf_ext(pxmitpriv); - if (pxmitbuf == NULL) { + if (!pxmitbuf) { DBG_88E("%s, alloc xmitbuf fail\n", __func__); rtw_free_xmitframe(pxmitpriv, pmgntframe); return NULL; @@ -4450,7 +4450,7 @@ void issue_beacon(struct adapter *padapter, int timeout_ms) #endif /* CONFIG_88EU_P2P */ pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) { + if (!pmgntframe) { DBG_88E("%s, alloc mgnt frame fail\n", __func__); return; } @@ -4679,7 +4679,7 @@ void issue_probersp(struct adapter *padapter, unsigned char *da, u8 is_valid_p2p #endif /* CONFIG_88EU_P2P */ pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) { + if (!pmgntframe) { DBG_88E("%s, alloc mgnt frame fail\n", __func__); return; } @@ -4718,7 +4718,7 @@ void issue_probersp(struct adapter *padapter, unsigned char *da, u8 is_valid_p2p pwps_ie = rtw_get_wps_ie(cur_network->IEs+_FIXED_IE_LENGTH_, cur_network->IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen); /* inerset & update wps_probe_resp_ie */ - if ((pmlmepriv->wps_probe_resp_ie != NULL) && pwps_ie && (wps_ielen > 0)) { + if (pmlmepriv->wps_probe_resp_ie && pwps_ie && wps_ielen > 0) { uint wps_offset, remainder_ielen; u8 *premainder_ie; @@ -4836,7 +4836,7 @@ static int _issue_probereq(struct adapter *padapter, struct ndis_802_11_ssid *ps RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+issue_probereq\n")); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) goto exit; /* update attribute */ @@ -4972,7 +4972,7 @@ void issue_auth(struct adapter *padapter, struct sta_info *psta, unsigned short struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; /* update attribute */ @@ -5111,7 +5111,7 @@ void issue_asocrsp(struct adapter *padapter, unsigned short status, struct sta_i DBG_88E("%s\n", __func__); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; /* update attribute */ @@ -5193,7 +5193,7 @@ void issue_asocrsp(struct adapter *padapter, unsigned short status, struct sta_i break; } - if ((pbuf == NULL) || (ie_len == 0)) + if (!pbuf || ie_len == 0) break; } } @@ -5249,7 +5249,7 @@ void issue_assocreq(struct adapter *padapter) #endif /* CONFIG_88EU_P2P */ pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) goto exit; /* update attribute */ @@ -5343,13 +5343,13 @@ void issue_assocreq(struct adapter *padapter) /* RSN */ p = rtw_get_ie((pmlmeinfo->network.IEs + sizeof(struct ndis_802_11_fixed_ie)), _RSN_IE_2_, &ie_len, (pmlmeinfo->network.IELength - sizeof(struct ndis_802_11_fixed_ie))); - if (p != NULL) + if (p) pframe = rtw_set_ie(pframe, _RSN_IE_2_, ie_len, (p + 2), &(pattrib->pktlen)); /* HT caps */ if (padapter->mlmepriv.htpriv.ht_option) { p = rtw_get_ie((pmlmeinfo->network.IEs + sizeof(struct ndis_802_11_fixed_ie)), _HT_CAPABILITY_IE_, &ie_len, (pmlmeinfo->network.IELength - sizeof(struct ndis_802_11_fixed_ie))); - if ((p != NULL) && (!(is_ap_in_tkip(padapter)))) { + if (p && !is_ap_in_tkip(padapter)) { memcpy(&(pmlmeinfo->HT_caps), (p + 2), sizeof(struct HT_caps_element)); /* to disable 40M Hz support while gd_bw_40MHz_en = 0 */ @@ -5581,7 +5581,7 @@ static int _issue_nulldata(struct adapter *padapter, unsigned char *da, unsigned pmlmeinfo = &(pmlmeext->mlmext_info); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) goto exit; /* update attribute */ @@ -5640,7 +5640,7 @@ int issue_nulldata(struct adapter *padapter, unsigned char *da, unsigned int pow struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); /* da == NULL, assum it's null data for sta to ap*/ - if (da == NULL) + if (!da) da = get_my_bssid(&(pmlmeinfo->network)); do { @@ -5691,7 +5691,7 @@ static int _issue_qos_nulldata(struct adapter *padapter, unsigned char *da, u16 DBG_88E("%s\n", __func__); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) goto exit; /* update attribute */ @@ -5763,7 +5763,7 @@ int issue_qos_nulldata(struct adapter *padapter, unsigned char *da, u16 tid, int struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); /* da == NULL, assum it's null data for sta to ap*/ - if (da == NULL) + if (!da) da = get_my_bssid(&(pmlmeinfo->network)); do { @@ -5821,7 +5821,7 @@ static int _issue_deauth(struct adapter *padapter, unsigned char *da, unsigned s #endif /* CONFIG_88EU_P2P */ pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) goto exit; /* update attribute */ @@ -5922,7 +5922,7 @@ void issue_action_spct_ch_switch (struct adapter *padapter, u8 *ra, u8 new_ch, u FUNC_NDEV_ARG(padapter->pnetdev), ra, new_ch, ch_offset); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; /* update attribute */ @@ -5992,7 +5992,7 @@ void issue_action_BA(struct adapter *padapter, unsigned char *raddr, unsigned ch DBG_88E("%s, category=%d, action=%d, status=%d\n", __func__, category, action, status); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; /* update attribute */ @@ -6039,7 +6039,7 @@ void issue_action_BA(struct adapter *padapter, unsigned char *raddr, unsigned ch pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen)); psta = rtw_get_stainfo(pstapriv, raddr); - if (psta != NULL) { + if (psta) { start_seq = (psta->sta_xmitpriv.txseq_tid[status & 0x07]&0xfff) + 1; DBG_88E("BA_starting_seqctrl=%d for TID=%d\n", start_seq, status & 0x07); @@ -6131,7 +6131,7 @@ static void issue_action_BSSCoexistPacket(struct adapter *padapter) action = ACT_PUBLIC_BSSCOEXIST; pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; /* update attribute */ @@ -6191,7 +6191,7 @@ static void issue_action_BSSCoexistPacket(struct adapter *padapter) pbss_network = (struct wlan_bssid_ex *)&pnetwork->network; p = rtw_get_ie(pbss_network->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, pbss_network->IELength - _FIXED_IE_LENGTH_); - if ((p == NULL) || (len == 0)) { /* non-HT */ + if (!p || len == 0) { /* non-HT */ if ((pbss_network->Configuration.DSConfig <= 0) || (pbss_network->Configuration.DSConfig > 14)) continue; @@ -6245,7 +6245,7 @@ unsigned int send_delba(struct adapter *padapter, u8 initiator, u8 *addr) return _SUCCESS; psta = rtw_get_stainfo(pstapriv, addr); - if (psta == NULL) + if (!psta) return _SUCCESS; if (initiator == 0) { /* recipient */ @@ -6531,7 +6531,7 @@ u8 collect_bss_info(struct adapter *padapter, struct recv_frame *precv_frame, st /* checking SSID */ p = rtw_get_ie(bssid->IEs + ie_offset, _SSID_IE_, &len, bssid->IELength - ie_offset); - if (p == NULL) { + if (!p) { DBG_88E("marc: cannot find SSID for survey event\n"); return _FAIL; } @@ -6552,7 +6552,7 @@ u8 collect_bss_info(struct adapter *padapter, struct recv_frame *precv_frame, st /* checking rate info... */ i = 0; p = rtw_get_ie(bssid->IEs + ie_offset, _SUPPORTEDRATES_IE_, &len, bssid->IELength - ie_offset); - if (p != NULL) { + if (p) { if (len > NDIS_802_11_LENGTH_RATES_EX) { DBG_88E("%s()-%d: IE too long (%d) for survey event\n", __func__, __LINE__, len); return _FAIL; @@ -6562,7 +6562,7 @@ u8 collect_bss_info(struct adapter *padapter, struct recv_frame *precv_frame, st } p = rtw_get_ie(bssid->IEs + ie_offset, _EXT_SUPPORTEDRATES_IE_, &len, bssid->IELength - ie_offset); - if (p != NULL) { + if (p) { if (len > (NDIS_802_11_LENGTH_RATES_EX-i)) { DBG_88E("%s()-%d: IE too long (%d) for survey event\n", __func__, __LINE__, len); return _FAIL; @@ -6991,12 +6991,12 @@ void report_survey_event(struct adapter *padapter, struct recv_frame *precv_fram pcmdpriv = &padapter->cmdpriv; pcmd_obj = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); - if (pcmd_obj == NULL) + if (!pcmd_obj) return; cmdsz = (sizeof(struct survey_event) + sizeof(struct C2HEvent_Header)); pevtcmd = (u8 *)rtw_zmalloc(cmdsz); - if (pevtcmd == NULL) { + if (!pevtcmd) { kfree(pcmd_obj); return; } @@ -7043,12 +7043,12 @@ void report_surveydone_event(struct adapter *padapter) struct cmd_priv *pcmdpriv = &padapter->cmdpriv; pcmd_obj = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); - if (pcmd_obj == NULL) + if (!pcmd_obj) return; cmdsz = (sizeof(struct surveydone_event) + sizeof(struct C2HEvent_Header)); pevtcmd = (u8 *)rtw_zmalloc(cmdsz); - if (pevtcmd == NULL) { + if (!pevtcmd) { kfree(pcmd_obj); return; } @@ -7089,12 +7089,12 @@ void report_join_res(struct adapter *padapter, int res) struct cmd_priv *pcmdpriv = &padapter->cmdpriv; pcmd_obj = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); - if (pcmd_obj == NULL) + if (!pcmd_obj) return; cmdsz = (sizeof(struct joinbss_event) + sizeof(struct C2HEvent_Header)); pevtcmd = (u8 *)rtw_zmalloc(cmdsz); - if (pevtcmd == NULL) { + if (!pevtcmd) { kfree(pcmd_obj); return; } @@ -7140,12 +7140,12 @@ void report_del_sta_event(struct adapter *padapter, unsigned char *MacAddr, unsi struct cmd_priv *pcmdpriv = &padapter->cmdpriv; pcmd_obj = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); - if (pcmd_obj == NULL) + if (!pcmd_obj) return; cmdsz = (sizeof(struct stadel_event) + sizeof(struct C2HEvent_Header)); pevtcmd = (u8 *)rtw_zmalloc(cmdsz); - if (pevtcmd == NULL) { + if (!pevtcmd) { kfree(pcmd_obj); return; } @@ -7194,12 +7194,12 @@ void report_add_sta_event(struct adapter *padapter, unsigned char *MacAddr, int struct cmd_priv *pcmdpriv = &padapter->cmdpriv; pcmd_obj = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); - if (pcmd_obj == NULL) + if (!pcmd_obj) return; cmdsz = (sizeof(struct stassoc_event) + sizeof(struct C2HEvent_Header)); pevtcmd = (u8 *)rtw_zmalloc(cmdsz); - if (pevtcmd == NULL) { + if (!pevtcmd) { kfree(pcmd_obj); return; } @@ -7484,7 +7484,7 @@ void linked_status_chk(struct adapter *padapter) rx_chk_limit = 4; psta = rtw_get_stainfo(pstapriv, pmlmeinfo->network.MacAddress); - if (psta != NULL) { + if (psta) { bool is_p2p_enable = false; #ifdef CONFIG_88EU_P2P is_p2p_enable = !rtw_p2p_chk_state(&padapter->wdinfo, P2P_STATE_NONE); @@ -7617,11 +7617,11 @@ void survey_timer_hdl(struct adapter *padapter) } ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); - if (ph2c == NULL) + if (!ph2c) goto exit_survey_timer_hdl; psurveyPara = (struct sitesurvey_parm *)rtw_zmalloc(sizeof(struct sitesurvey_parm)); - if (psurveyPara == NULL) { + if (!psurveyPara) { kfree(ph2c); goto exit_survey_timer_hdl; } @@ -8194,13 +8194,13 @@ u8 set_tx_beacon_cmd(struct adapter *padapter) int len_diff = 0; ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } ptxBeacon_parm = (struct Tx_Beacon_param *)rtw_zmalloc(sizeof(struct Tx_Beacon_param)); - if (ptxBeacon_parm == NULL) { + if (!ptxBeacon_parm) { kfree(ph2c); res = _FAIL; goto exit; diff --git a/drivers/staging/r8188eu/core/rtw_mp.c b/drivers/staging/r8188eu/core/rtw_mp.c index 1b4e9bbc394b..1065e9e8a015 100644 --- a/drivers/staging/r8188eu/core/rtw_mp.c +++ b/drivers/staging/r8188eu/core/rtw_mp.c @@ -382,7 +382,7 @@ s32 mp_start_test(struct adapter *padapter) rtw_free_stainfo(padapter, psta); psta = rtw_alloc_stainfo(&padapter->stapriv, bssid.MacAddress); - if (psta == NULL) { + if (!psta) { RT_TRACE(_module_mp_, _drv_err_, ("mp_start_test: Can't alloc sta_info!\n")); pmlmepriv->fw_state = pmppriv->prev_fw_state; res = _FAIL; @@ -547,11 +547,11 @@ static struct xmit_frame *alloc_mp_xmitframe(struct xmit_priv *pxmitpriv) struct xmit_buf *pxmitbuf; pmpframe = rtw_alloc_xmitframe(pxmitpriv); - if (pmpframe == NULL) + if (!pmpframe) return NULL; pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv); - if (pxmitbuf == NULL) { + if (!pxmitbuf) { rtw_free_xmitframe(pxmitpriv, pmpframe); return NULL; } @@ -585,7 +585,7 @@ static int mp_xmit_packet_thread(void *context) /* DBG_88E("%s:pkTx Start\n", __func__); */ while (1) { pxmitframe = alloc_mp_xmitframe(pxmitpriv); - if (pxmitframe == NULL) { + if (!pxmitframe) { if (pmptx->stop || padapter->bSurpriseRemoved || padapter->bDriverStopped) { @@ -670,7 +670,7 @@ void SetPacketTx(struct adapter *padapter) pmp_priv->tx.write_size = pkt_size; pmp_priv->tx.buf_size = pkt_size + XMITBUF_ALIGN_SZ; pmp_priv->tx.pallocated_buf = rtw_zmalloc(pmp_priv->tx.buf_size); - if (pmp_priv->tx.pallocated_buf == NULL) { + if (!pmp_priv->tx.pallocated_buf) { DBG_88E("%s: malloc(%d) fail!!\n", __func__, pmp_priv->tx.buf_size); return; } @@ -938,7 +938,7 @@ void _rtw_mp_xmit_priv(struct xmit_priv *pxmitpriv) pxmitpriv->pallocated_xmit_extbuf = rtw_zvmalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4); - if (pxmitpriv->pallocated_xmit_extbuf == NULL) { + if (!pxmitpriv->pallocated_xmit_extbuf) { RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n")); res = _FAIL; goto exit; diff --git a/drivers/staging/r8188eu/core/rtw_p2p.c b/drivers/staging/r8188eu/core/rtw_p2p.c index 30823bfdd1b5..ce30161535c1 100644 --- a/drivers/staging/r8188eu/core/rtw_p2p.c +++ b/drivers/staging/r8188eu/core/rtw_p2p.c @@ -128,7 +128,7 @@ static void issue_group_disc_req(struct wifidirect_info *pwdinfo, u8 *da) DBG_88E("[%s]\n", __func__); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; /* update attribute */ @@ -187,7 +187,7 @@ static void issue_p2p_devdisc_resp(struct wifidirect_info *pwdinfo, u8 *da, u8 s DBG_88E("[%s]\n", __func__); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; /* update attribute */ @@ -257,7 +257,7 @@ static void issue_p2p_provision_resp(struct wifidirect_info *pwdinfo, u8 *raddr, struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; /* update attribute */ @@ -336,7 +336,7 @@ static void issue_p2p_presence_resp(struct wifidirect_info *pwdinfo, u8 *da, u8 DBG_88E("[%s]\n", __func__); pmgntframe = alloc_mgtxmitframe(pxmitpriv); - if (pmgntframe == NULL) + if (!pmgntframe) return; /* update attribute */ @@ -792,13 +792,13 @@ u32 process_probe_req_p2p_ie(struct wifidirect_info *pwdinfo, u8 *pframe, uint l if (rtw_p2p_chk_role(pwdinfo, P2P_ROLE_DEVICE) || rtw_p2p_chk_role(pwdinfo, P2P_ROLE_GO)) { p2pie = rtw_get_p2p_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_, NULL, &p2pielen); if (p2pie) { - if ((p != NULL) && !memcmp((void *)(p+2), (void *)pwdinfo->p2p_wildcard_ssid, 7)) { + if (p && !memcmp((void *)(p+2), (void *)pwdinfo->p2p_wildcard_ssid, 7)) { /* todo: */ /* Check Requested Device Type attributes in WSC IE. */ /* Check Device ID attribute in P2P IE */ ret = true; - } else if ((p != NULL) && (ssid_len == 0)) { + } else if (p && ssid_len == 0) { ret = true; } } else { @@ -1700,13 +1700,13 @@ u8 p2p_ps_wk_cmd(struct adapter *padapter, u8 p2p_ps_state, u8 enqueue) if (enqueue) { ph2c = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); - if (ph2c == NULL) { + if (!ph2c) { res = _FAIL; goto exit; } pdrvextra_cmd_parm = (struct drvextra_cmd_parm *)rtw_zmalloc(sizeof(struct drvextra_cmd_parm)); - if (pdrvextra_cmd_parm == NULL) { + if (!pdrvextra_cmd_parm) { kfree(ph2c); res = _FAIL; goto exit; diff --git a/drivers/staging/r8188eu/core/rtw_recv.c b/drivers/staging/r8188eu/core/rtw_recv.c index 610cc699caf9..37cf22569c59 100644 --- a/drivers/staging/r8188eu/core/rtw_recv.c +++ b/drivers/staging/r8188eu/core/rtw_recv.c @@ -60,7 +60,7 @@ int _rtw_init_recv_priv(struct recv_priv *precvpriv, struct adapter *padapter) precvpriv->pallocated_frame_buf = rtw_zvmalloc(NR_RECVFRAME * sizeof(struct recv_frame) + RXFRAME_ALIGN_SZ); - if (precvpriv->pallocated_frame_buf == NULL) { + if (!precvpriv->pallocated_frame_buf) { res = _FAIL; goto exit; } @@ -141,7 +141,7 @@ struct recv_frame *_rtw_alloc_recvframe (struct __queue *pfree_recv_queue) list_del_init(&hdr->list); padapter = hdr->adapter; - if (padapter != NULL) { + if (padapter) { precvpriv = &padapter->recvpriv; if (pfree_recv_queue == &precvpriv->free_recv_queue) precvpriv->free_recvframe_cnt--; @@ -194,7 +194,7 @@ int rtw_free_recvframe(struct recv_frame *precvframe, struct __queue *pfree_recv list_add_tail(&(precvframe->list), get_list_head(pfree_recv_queue)); - if (padapter != NULL) { + if (padapter) { if (pfree_recv_queue == &precvpriv->free_recv_queue) precvpriv->free_recvframe_cnt++; } @@ -212,7 +212,7 @@ int _rtw_enqueue_recvframe(struct recv_frame *precvframe, struct __queue *queue) list_del_init(&(precvframe->list)); list_add_tail(&(precvframe->list), get_list_head(queue)); - if (padapter != NULL) { + if (padapter) { if (queue == &precvpriv->free_recv_queue) precvpriv->free_recvframe_cnt++; } @@ -347,7 +347,7 @@ static int recvframe_chkmic(struct adapter *adapter, struct recv_frame *precvfr prxattrib->ra[0], prxattrib->ra[1], prxattrib->ra[2], prxattrib->ra[3], prxattrib->ra[4], prxattrib->ra[5])); /* calculate mic code */ - if (stainfo != NULL) { + if (stainfo) { if (IS_MCAST(prxattrib->ra)) { mickey = &psecuritypriv->dot118021XGrprxmickey[prxattrib->key_index].skey[0]; @@ -541,7 +541,7 @@ static struct recv_frame *portctrl(struct adapter *adapter, struct recv_frame *p adapter->securitypriv.dot11AuthAlgrthm)); if (auth_alg == 2) { - if ((psta != NULL) && (psta->ieee8021x_blocked)) { + if (psta && psta->ieee8021x_blocked) { /* blocked */ /* only accept EAPOL frame */ RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("########portctrl:psta->ieee8021x_blocked==1\n")); @@ -805,7 +805,7 @@ int sta2sta_data_frame(struct adapter *adapter, struct recv_frame *precv_frame, else *psta = rtw_get_stainfo(pstapriv, sta_addr); /* get ap_info */ - if (*psta == NULL) { + if (!*psta) { RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("can't get psta under sta2sta_data_frame ; drop pkt\n")); if (adapter->registrypriv.mp_mode == 1) { if (check_fwstate(pmlmepriv, WIFI_MP_STATE) == true) @@ -874,7 +874,7 @@ static int ap2sta_data_frame ( else *psta = rtw_get_stainfo(pstapriv, pattrib->bssid); /* get ap_info */ - if (*psta == NULL) { + if (!*psta) { RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("ap2sta: can't get psta under STATION_MODE ; drop pkt\n")); ret = _FAIL; goto exit; @@ -901,7 +901,7 @@ static int ap2sta_data_frame ( memcpy(pattrib->bssid, mybssid, ETH_ALEN); *psta = rtw_get_stainfo(pstapriv, pattrib->bssid); /* get sta_info */ - if (*psta == NULL) { + if (!*psta) { RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("can't get psta under MP_MODE ; drop pkt\n")); ret = _FAIL; goto exit; @@ -913,7 +913,7 @@ static int ap2sta_data_frame ( } else { if (!memcmp(myhwaddr, pattrib->dst, ETH_ALEN) && (!bmcast)) { *psta = rtw_get_stainfo(pstapriv, pattrib->bssid); /* get sta_info */ - if (*psta == NULL) { + if (!*psta) { DBG_88E("issue_deauth to the ap =%pM for the reason(7)\n", (pattrib->bssid)); issue_deauth(adapter, pattrib->bssid, WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA); @@ -947,7 +947,7 @@ static int sta2ap_data_frame(struct adapter *adapter, } *psta = rtw_get_stainfo(pstapriv, pattrib->src); - if (*psta == NULL) { + if (!*psta) { RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("can't get psta under AP_MODE; drop pkt\n")); DBG_88E("issue_deauth to sta=%pM for the reason(7)\n", (pattrib->src)); @@ -1011,7 +1011,7 @@ static int validate_recv_ctrl_frame(struct adapter *padapter, aid = GetAid(pframe); psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); - if ((psta == NULL) || (psta->aid != aid)) + if (!psta || psta->aid != aid) return _FAIL; /* for rx pkt statistics */ @@ -1119,7 +1119,7 @@ static int validate_recv_mgnt_frame(struct adapter *padapter, RT_TRACE(_module_rtl871x_recv_c_, _drv_info_, ("+validate_recv_mgnt_frame\n")); precv_frame = recvframe_chk_defrag(padapter, precv_frame); - if (precv_frame == NULL) { + if (!precv_frame) { RT_TRACE(_module_rtl871x_recv_c_, _drv_notice_, ("%s: fragment packet\n", __func__)); return _SUCCESS; } @@ -1164,7 +1164,7 @@ static int validate_recv_data_frame(struct adapter *adapter, psa = get_sa(ptr); pbssid = get_hdr_bssid(ptr); - if (pbssid == NULL) { + if (!pbssid) { ret = _FAIL; goto exit; } @@ -1207,7 +1207,7 @@ static int validate_recv_data_frame(struct adapter *adapter, goto exit; } - if (psta == NULL) { + if (!psta) { RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, (" after to_fr_ds_chk; psta==NULL\n")); ret = _FAIL; goto exit; @@ -1547,7 +1547,7 @@ struct recv_frame *recvframe_chk_defrag(struct adapter *padapter, struct recv_fr psta_addr = pfhdr->attrib.ta; psta = rtw_get_stainfo(pstapriv, psta_addr); - if (psta == NULL) { + if (!psta) { u8 type = GetFrameType(pfhdr->rx_data); if (type != WIFI_DATA_TYPE) { psta = rtw_get_bcmc_stainfo(padapter); @@ -1565,7 +1565,7 @@ struct recv_frame *recvframe_chk_defrag(struct adapter *padapter, struct recv_fr if (ismfrag == 1) { /* 0~(n-1) fragment frame */ /* enqueue to defraf_g */ - if (pdefrag_q != NULL) { + if (pdefrag_q) { if (fragnum == 0) { /* the first fragment */ if (!list_empty(&pdefrag_q->queue)) { @@ -1594,7 +1594,7 @@ struct recv_frame *recvframe_chk_defrag(struct adapter *padapter, struct recv_fr if ((ismfrag == 0) && (fragnum != 0)) { /* the last fragment frame */ /* enqueue the last fragment */ - if (pdefrag_q != NULL) { + if (pdefrag_q) { phead = get_list_head(pdefrag_q); list_add_tail(&pfhdr->list, phead); @@ -1611,7 +1611,7 @@ struct recv_frame *recvframe_chk_defrag(struct adapter *padapter, struct recv_fr } } - if ((prtnframe != NULL) && (prtnframe->attrib.privacy)) { + if (prtnframe && prtnframe->attrib.privacy) { /* after defrag we must check tkip mic code */ if (recvframe_chkmic(padapter, prtnframe) == _FAIL) { RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("recvframe_chkmic(padapter, prtnframe)==_FAIL\n")); @@ -2054,20 +2054,20 @@ static int recv_func_posthandle(struct adapter *padapter, struct recv_frame *prf rtw_led_control(padapter, LED_CTL_RX); prframe = decryptor(padapter, prframe); - if (prframe == NULL) { + if (!prframe) { RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("decryptor: drop pkt\n")); ret = _FAIL; goto _recv_data_drop; } prframe = recvframe_chk_defrag(padapter, prframe); - if (prframe == NULL) { + if (!prframe) { RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("recvframe_chk_defrag: drop pkt\n")); goto _recv_data_drop; } prframe = portctrl(padapter, prframe); - if (prframe == NULL) { + if (!prframe) { RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("portctrl: drop pkt\n")); ret = _FAIL; goto _recv_data_drop; diff --git a/drivers/staging/r8188eu/core/rtw_security.c b/drivers/staging/r8188eu/core/rtw_security.c index 2c1b9a6dcdf2..66c730a5d754 100644 --- a/drivers/staging/r8188eu/core/rtw_security.c +++ b/drivers/staging/r8188eu/core/rtw_security.c @@ -95,7 +95,7 @@ void rtw_wep_encrypt(struct adapter *padapter, u8 *pxmitframe) struct security_priv *psecuritypriv = &padapter->securitypriv; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; - if (((struct xmit_frame *)pxmitframe)->buf_addr == NULL) + if (!((struct xmit_frame *)pxmitframe)->buf_addr) return; hw_hdr_offset = TXDESC_SIZE + @@ -542,7 +542,7 @@ u32 rtw_tkip_encrypt(struct adapter *padapter, u8 *pxmitframe) struct xmit_priv *pxmitpriv = &padapter->xmitpriv; u32 res = _SUCCESS; - if (((struct xmit_frame *)pxmitframe)->buf_addr == NULL) + if (!((struct xmit_frame *)pxmitframe)->buf_addr) return _FAIL; hw_hdr_offset = TXDESC_SIZE + @@ -555,7 +555,7 @@ u32 rtw_tkip_encrypt(struct adapter *padapter, u8 *pxmitframe) else stainfo = rtw_get_stainfo(&padapter->stapriv, &pattrib->ra[0]); - if (stainfo != NULL) { + if (stainfo) { RT_TRACE(_module_rtl871x_security_c_, _drv_err_, ("rtw_tkip_encrypt: stainfo!= NULL!!!\n")); if (IS_MCAST(pattrib->ra)) @@ -631,7 +631,7 @@ u32 rtw_tkip_decrypt(struct adapter *padapter, u8 *precvframe) /* 4 start to decrypt recvframe */ if (prxattrib->encrypt == _TKIP_) { stainfo = rtw_get_stainfo(&padapter->stapriv, &prxattrib->ta[0]); - if (stainfo != NULL) { + if (stainfo) { if (IS_MCAST(prxattrib->ra)) { if (!psecuritypriv->binstallGrpkey) { res = _FAIL; @@ -1202,7 +1202,7 @@ u32 rtw_aes_encrypt(struct adapter *padapter, u8 *pxmitframe) /* uint offset = 0; */ u32 res = _SUCCESS; - if (((struct xmit_frame *)pxmitframe)->buf_addr == NULL) + if (!((struct xmit_frame *)pxmitframe)->buf_addr) return _FAIL; hw_hdr_offset = TXDESC_SIZE + @@ -1217,7 +1217,7 @@ u32 rtw_aes_encrypt(struct adapter *padapter, u8 *pxmitframe) else stainfo = rtw_get_stainfo(&padapter->stapriv, &pattrib->ra[0]); - if (stainfo != NULL) { + if (stainfo) { RT_TRACE(_module_rtl871x_security_c_, _drv_err_, ("rtw_aes_encrypt: stainfo!= NULL!!!\n")); if (IS_MCAST(pattrib->ra)) @@ -1456,7 +1456,7 @@ u32 rtw_aes_decrypt(struct adapter *padapter, u8 *precvframe) /* 4 start to encrypt each fragment */ if ((prxattrib->encrypt == _AES_)) { stainfo = rtw_get_stainfo(&padapter->stapriv, &prxattrib->ta[0]); - if (stainfo != NULL) { + if (stainfo) { RT_TRACE(_module_rtl871x_security_c_, _drv_err_, ("rtw_aes_decrypt: stainfo!= NULL!!!\n")); if (IS_MCAST(prxattrib->ra)) { diff --git a/drivers/staging/r8188eu/core/rtw_sta_mgt.c b/drivers/staging/r8188eu/core/rtw_sta_mgt.c index feaf39fddf7c..93cd1db1ba2a 100644 --- a/drivers/staging/r8188eu/core/rtw_sta_mgt.c +++ b/drivers/staging/r8188eu/core/rtw_sta_mgt.c @@ -153,7 +153,7 @@ void rtw_mfree_stainfo(struct sta_info *psta); void rtw_mfree_stainfo(struct sta_info *psta) { - if (&psta->lock != NULL) + if (&psta->lock) _rtw_spinlock_free(&psta->lock); _rtw_free_sta_xmit_priv_lock(&psta->sta_xmitpriv); @@ -333,7 +333,7 @@ u32 rtw_free_stainfo(struct adapter *padapter, struct sta_info *psta) struct xmit_priv *pxmitpriv = &padapter->xmitpriv; struct sta_priv *pstapriv = &padapter->stapriv; - if (psta == NULL) + if (!psta) goto exit; pfree_sta_queue = &pstapriv->free_sta_queue; @@ -488,7 +488,7 @@ struct sta_info *rtw_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr) u8 *addr; u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - if (hwaddr == NULL) + if (!hwaddr) return NULL; if (IS_MCAST(hwaddr)) @@ -528,7 +528,7 @@ u32 rtw_init_bcmc_stainfo(struct adapter *padapter) psta = rtw_alloc_stainfo(pstapriv, bcast_addr); - if (psta == NULL) { + if (!psta) { res = _FAIL; RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_, ("rtw_alloc_stainfo fail")); goto exit; diff --git a/drivers/staging/r8188eu/core/rtw_wlan_util.c b/drivers/staging/r8188eu/core/rtw_wlan_util.c index 15edccef9f1d..db133ffad8f9 100644 --- a/drivers/staging/r8188eu/core/rtw_wlan_util.c +++ b/drivers/staging/r8188eu/core/rtw_wlan_util.c @@ -740,7 +740,7 @@ void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE) struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct ht_priv *phtpriv = &pmlmepriv->htpriv; - if (pIE == NULL) + if (!pIE) return; if (!phtpriv->ht_option) @@ -787,7 +787,7 @@ void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE) struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct ht_priv *phtpriv = &pmlmepriv->htpriv; - if (pIE == NULL) + if (!pIE) return; if (!phtpriv->ht_option) @@ -986,7 +986,7 @@ int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) /* checking SSID */ p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_); - if (p == NULL) { + if (!p) { DBG_88E("%s marc: cannot find SSID for survey event\n", __func__); hidden_ssid = true; } else { @@ -1590,7 +1590,7 @@ int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_l struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len); - if (pIE == NULL) + if (!pIE) return _FAIL; memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len); @@ -1657,7 +1657,7 @@ int rtw_handle_dualmac(struct adapter *adapter, bool init) int status = _SUCCESS; if (init) { - if (pbuddy_padapter == NULL) { + if (!pbuddy_padapter) { pbuddy_padapter = adapter; DBG_88E("%s(): pbuddy_padapter == NULL, Set pbuddy_padapter\n", __func__); } else { diff --git a/drivers/staging/r8188eu/core/rtw_xmit.c b/drivers/staging/r8188eu/core/rtw_xmit.c index 4a5393184737..3b61eb651ee4 100644 --- a/drivers/staging/r8188eu/core/rtw_xmit.c +++ b/drivers/staging/r8188eu/core/rtw_xmit.c @@ -74,7 +74,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) pxmitpriv->pallocated_frame_buf = rtw_zvmalloc(NR_XMITFRAME * sizeof(struct xmit_frame) + 4); - if (pxmitpriv->pallocated_frame_buf == NULL) { + if (!pxmitpriv->pallocated_frame_buf) { pxmitpriv->pxmit_frame_buf = NULL; RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_frame fail!\n")); res = _FAIL; @@ -112,7 +112,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) pxmitpriv->pallocated_xmitbuf = rtw_zvmalloc(NR_XMITBUFF * sizeof(struct xmit_buf) + 4); - if (pxmitpriv->pallocated_xmitbuf == NULL) { + if (!pxmitpriv->pallocated_xmitbuf) { RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_buf fail!\n")); res = _FAIL; goto exit; @@ -154,7 +154,7 @@ s32 _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter) pxmitpriv->pallocated_xmit_extbuf = rtw_zvmalloc(num_xmit_extbuf * sizeof(struct xmit_buf) + 4); - if (pxmitpriv->pallocated_xmit_extbuf == NULL) { + if (!pxmitpriv->pallocated_xmit_extbuf) { RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("alloc xmit_extbuf fail!\n")); res = _FAIL; goto exit; @@ -238,7 +238,7 @@ void _rtw_free_xmit_priv (struct xmit_priv *pxmitpriv) rtw_mfree_xmit_priv_lock(pxmitpriv); - if (pxmitpriv->pxmit_frame_buf == NULL) + if (!pxmitpriv->pxmit_frame_buf) return; for (i = 0; i < NR_XMITFRAME; i++) { @@ -509,7 +509,7 @@ static s32 update_attrib(struct adapter *padapter, struct sk_buff *pkt, struct p psta = rtw_get_bcmc_stainfo(padapter); } else { psta = rtw_get_stainfo(pstapriv, pattrib->ra); - if (psta == NULL) { /* if we cannot get psta => drrp the pkt */ + if (!psta) { /* if we cannot get psta => drrp the pkt */ RT_TRACE(_module_rtl871x_xmit_c_, _drv_alert_, ("\nupdate_attrib => get sta_info fail, ra: %pM\n", (pattrib->ra))); res = _FAIL; goto exit; @@ -656,7 +656,7 @@ static s32 xmitframe_addmic(struct adapter *padapter, struct xmit_frame *pxmitfr if (pattrib->encrypt == _TKIP_) {/* if (psecuritypriv->dot11PrivacyAlgrthm == _TKIP_PRIVACY_) */ /* encode mic code */ - if (stainfo != NULL) { + if (stainfo) { u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; @@ -992,10 +992,10 @@ s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); - if (psta == NULL) + if (!psta) return _FAIL; - if (pxmitframe->buf_addr == NULL) { + if (!pxmitframe->buf_addr) { DBG_88E("==> %s buf_addr == NULL\n", __func__); return _FAIL; } @@ -1033,7 +1033,7 @@ s32 rtw_xmitframe_coalesce(struct adapter *padapter, struct sk_buff *pkt, struct /* adding icv, if necessary... */ if (pattrib->iv_len) { - if (psta != NULL) { + if (psta) { switch (pattrib->encrypt) { case _WEP40_: case _WEP104_: @@ -1177,7 +1177,7 @@ void rtw_update_protection(struct adapter *padapter, u8 *ie, uint ie_len) case AUTO_VCS: default: perp = rtw_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len); - if (perp == NULL) { + if (!perp) { pxmitpriv->vcs = NONE_VCS; } else { protection = (*(perp + 2)) & BIT(1); @@ -1236,7 +1236,7 @@ struct xmit_buf *rtw_alloc_xmitbuf_ext(struct xmit_priv *pxmitpriv) list_del_init(&(pxmitbuf->list)); } - if (pxmitbuf != NULL) { + if (pxmitbuf) { pxmitpriv->free_xmit_extbuf_cnt--; pxmitbuf->priv_data = NULL; @@ -1258,7 +1258,7 @@ s32 rtw_free_xmitbuf_ext(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) struct __queue *pfree_queue = &pxmitpriv->free_xmit_extbuf_queue; unsigned long flags; - if (pxmitbuf == NULL) + if (!pxmitbuf) return _FAIL; spin_lock_irqsave(&pfree_queue->lock, flags); @@ -1296,7 +1296,7 @@ struct xmit_buf *rtw_alloc_xmitbuf(struct xmit_priv *pxmitpriv) list_del_init(&(pxmitbuf->list)); } - if (pxmitbuf != NULL) { + if (pxmitbuf) { pxmitpriv->free_xmitbuf_cnt--; pxmitbuf->priv_data = NULL; if (pxmitbuf->sctx) { @@ -1314,7 +1314,7 @@ s32 rtw_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; unsigned long flags; - if (pxmitbuf == NULL) + if (!pxmitbuf) return _FAIL; if (pxmitbuf->sctx) { @@ -1377,7 +1377,7 @@ struct xmit_frame *rtw_alloc_xmitframe(struct xmit_priv *pxmitpriv)/* _queue *pf list_del_init(&(pxframe->list)); } - if (pxframe != NULL) { /* default value setting */ + if (pxframe) { /* default value setting */ pxmitpriv->free_xmitframe_cnt--; RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_alloc_xmitframe():free_xmitframe_cnt=%d\n", pxmitpriv->free_xmitframe_cnt)); @@ -1408,7 +1408,7 @@ s32 rtw_free_xmitframe(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitfram struct adapter *padapter = pxmitpriv->adapter; struct sk_buff *pndis_pkt = NULL; - if (pxmitframe == NULL) { + if (!pxmitframe) { RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("====== rtw_free_xmitframe():pxmitframe == NULL!!!!!!!!!!\n")); goto exit; } @@ -1598,7 +1598,7 @@ s32 rtw_xmit_classifier(struct adapter *padapter, struct xmit_frame *pxmitframe) psta = rtw_get_stainfo(pstapriv, pattrib->ra); } - if (psta == NULL) { + if (!psta) { res = _FAIL; DBG_88E("rtw_xmit_classifier: psta == NULL\n"); RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("rtw_xmit_classifier: psta == NULL\n")); @@ -1727,7 +1727,7 @@ static int rtw_br_client_tx(struct adapter *padapter, struct sk_buff **pskb) } newskb = skb_copy(skb, GFP_ATOMIC); - if (newskb == NULL) { + if (!newskb) { DEBUG_ERR("TX DROP: skb_copy fail!\n"); return -1; } @@ -1847,7 +1847,7 @@ s32 rtw_xmit(struct adapter *padapter, struct sk_buff **ppkt) s32 res; pxmitframe = rtw_alloc_xmitframe(pxmitpriv); - if (pxmitframe == NULL) { + if (!pxmitframe) { RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("rtw_xmit: no more pxmitframe\n")); DBG_88E("DBG_TX_DROP_FRAME %s no more pxmitframe\n", __func__); return -1; @@ -1912,7 +1912,7 @@ int xmitframe_enqueue_for_sleeping_sta(struct adapter *padapter, struct xmit_fra else psta = rtw_get_stainfo(pstapriv, pattrib->ra); - if (psta == NULL) + if (!psta) return ret; if (pattrib->triggered == 1) { -- 2.32.0