The rtl8188eu manually re-implements list helper functions and macros in various ways. Replace with existing list helpers. The following coccinelle script was used to convert the code. @@ identifier v1, v2, v3, v4; symbol next; expression e; iterator name list_for_each; statement S; @@ <+... ( - e = v1->next; | - e = get_next(v1); ) ... when != e - while ( \( v1 != e \| e != v1 \) ) + list_for_each (e, v1) { ... - v2 = container_of(e, struct v3, v4); + v2 = list_entry(e, struct v3, v4); ?- if (!v2) S ... ( - e = e->next; | - e = get_next(e); ) ... when != e } ...+> @@ identifier v1, v2, v3, v4; symbol next; expression e; iterator name list_for_each; statement S; @@ <+... ( - e = v1->next; | - e = get_next(v1); ) ... when != e - while (1) + list_for_each (e, v1) { - if ( \( e == v1 \| v1 == e \) ) - break; ... - v2 = container_of(e, struct v3, v4); + v2 = list_entry(e, struct v3, v4); ?- if (!v2) S ... ( - e = e->next; | - e = get_next(e); ) ... when != e } ...+> Manually fixed up formatting, and added autoremoved comments back in. Compile tested only. Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> --- drivers/staging/rtl8188eu/core/rtw_ap.c | 50 +++++------------- drivers/staging/rtl8188eu/core/rtw_mlme.c | 34 ++++-------- drivers/staging/rtl8188eu/core/rtw_mlme_ext.c | 19 +++---- drivers/staging/rtl8188eu/core/rtw_sta_mgt.c | 28 +++------- drivers/staging/rtl8188eu/core/rtw_xmit.c | 52 ++++++------------- .../staging/rtl8188eu/hal/rtl8188eu_xmit.c | 8 ++- .../staging/rtl8188eu/os_dep/ioctl_linux.c | 26 +++------- drivers/staging/rtl8188eu/os_dep/xmit_linux.c | 8 +-- 8 files changed, 67 insertions(+), 158 deletions(-) diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c index 008b60e72758..ca9a321c4921 100644 --- a/drivers/staging/rtl8188eu/core/rtw_ap.c +++ b/drivers/staging/rtl8188eu/core/rtw_ap.c @@ -175,12 +175,9 @@ void expire_timeout_chk(struct adapter *padapter) spin_lock_bh(&pstapriv->auth_list_lock); phead = &pstapriv->auth_list; - plist = phead->next; - /* check auth_queue */ - while (phead != plist) { - psta = container_of(plist, struct sta_info, auth_list); - plist = plist->next; + list_for_each(plist, phead) { + psta = list_entry(plist, struct sta_info, auth_list); if (psta->expire_to > 0) { psta->expire_to--; @@ -208,12 +205,9 @@ void expire_timeout_chk(struct adapter *padapter) spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; - plist = phead->next; - /* check asoc_queue */ - while (phead != plist) { - psta = container_of(plist, struct sta_info, asoc_list); - plist = plist->next; + list_for_each(plist, phead) { + psta = list_entry(plist, struct sta_info, asoc_list); if (chk_sta_is_alive(psta) || !psta->expire_to) { psta->expire_to = pstapriv->expire_to; @@ -1032,11 +1026,8 @@ int rtw_acl_add_sta(struct adapter *padapter, u8 *addr) spin_lock_bh(&pacl_node_q->lock); phead = get_list_head(pacl_node_q); - plist = phead->next; - - while (phead != plist) { - paclnode = container_of(plist, struct rtw_wlan_acl_node, list); - plist = plist->next; + list_for_each(plist, phead) { + paclnode = list_entry(plist, struct rtw_wlan_acl_node, list); if (!memcmp(paclnode->addr, addr, ETH_ALEN)) { if (paclnode->valid) { @@ -1092,11 +1083,8 @@ int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr) spin_lock_bh(&pacl_node_q->lock); phead = get_list_head(pacl_node_q); - plist = phead->next; - - while (phead != plist) { - paclnode = container_of(plist, struct rtw_wlan_acl_node, list); - plist = plist->next; + list_for_each(plist, phead) { + paclnode = list_entry(plist, struct rtw_wlan_acl_node, list); if (!memcmp(paclnode->addr, addr, ETH_ALEN)) { if (paclnode->valid) { @@ -1338,13 +1326,9 @@ void associated_clients_update(struct adapter *padapter, u8 updated) spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; - plist = phead->next; - /* check asoc_queue */ - while (phead != plist) { - psta = container_of(plist, struct sta_info, asoc_list); - - plist = plist->next; + list_for_each(plist, phead) { + psta = list_entry(plist, struct sta_info, asoc_list); VCS_update(padapter, psta); } @@ -1609,13 +1593,9 @@ int rtw_sta_flush(struct adapter *padapter) spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; - plist = phead->next; - /* free sta asoc_queue */ - while (phead != plist) { - psta = container_of(plist, struct sta_info, asoc_list); - - plist = plist->next; + list_for_each(plist, phead) { + psta = list_entry(plist, struct sta_info, asoc_list); list_del_init(&psta->asoc_list); pstapriv->asoc_list_cnt--; @@ -1738,10 +1718,8 @@ void stop_ap_mode(struct adapter *padapter) /* for ACL */ spin_lock_bh(&pacl_node_q->lock); phead = get_list_head(pacl_node_q); - plist = phead->next; - while (phead != plist) { - paclnode = container_of(plist, struct rtw_wlan_acl_node, list); - plist = plist->next; + list_for_each(plist, phead) { + paclnode = list_entry(plist, struct rtw_wlan_acl_node, list); if (paclnode->valid) { paclnode->valid = false; diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme.c b/drivers/staging/rtl8188eu/core/rtw_mlme.c index b6ac5b8915b1..049e25455849 100644 --- a/drivers/staging/rtl8188eu/core/rtw_mlme.c +++ b/drivers/staging/rtl8188eu/core/rtw_mlme.c @@ -188,13 +188,10 @@ struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr) goto exit; } phead = get_list_head(scanned_queue); - plist = phead->next; - - while (plist != phead) { - pnetwork = container_of(plist, struct wlan_network, list); + list_for_each(plist, phead) { + pnetwork = list_entry(plist, struct wlan_network, list); if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN)) break; - plist = plist->next; } if (plist == phead) pnetwork = NULL; @@ -212,12 +209,8 @@ void rtw_free_network_queue(struct adapter *padapter, u8 isfreeall) spin_lock_bh(&scanned_queue->lock); phead = get_list_head(scanned_queue); - plist = phead->next; - - while (phead != plist) { - pnetwork = container_of(plist, struct wlan_network, list); - - plist = plist->next; + list_for_each(plist, phead) { + pnetwork = list_entry(plist, struct wlan_network, list); _rtw_free_network(pmlmepriv, pnetwork, isfreeall); } @@ -400,17 +393,14 @@ void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *t spin_lock_bh(&queue->lock); phead = get_list_head(queue); - plist = phead->next; - - while (phead != plist) { - pnetwork = container_of(plist, struct wlan_network, list); + list_for_each(plist, phead) { + pnetwork = list_entry(plist, struct wlan_network, list); if (is_same_network(&pnetwork->network, target)) break; if ((oldest == ((struct wlan_network *)0)) || time_after(oldest->last_scanned, pnetwork->last_scanned)) oldest = pnetwork; - plist = plist->next; } /* If we didn't find a match, then get a new network slot to initialize * with this beacon's information @@ -1465,15 +1455,9 @@ int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv) spin_lock_bh(&pmlmepriv->scanned_queue.lock); phead = get_list_head(queue); adapter = (struct adapter *)pmlmepriv->nic_hdl; - pmlmepriv->pscanned = phead->next; - while (phead != pmlmepriv->pscanned) { - pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list); - if (!pnetwork) { - RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork==NULL)\n", __func__)); - ret = _FAIL; - goto exit; - } - pmlmepriv->pscanned = pmlmepriv->pscanned->next; + list_for_each(pmlmepriv->pscanned, phead) { + pnetwork = list_entry(pmlmepriv->pscanned, + struct wlan_network, list); rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork); } if (!candidate) { diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c index 50d3c3631be0..53a3939666ea 100644 --- a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c +++ b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c @@ -1760,16 +1760,13 @@ static void issue_action_BSSCoexistPacket(struct adapter *padapter) spin_lock_bh(&pmlmepriv->scanned_queue.lock); phead = get_list_head(queue); - plist = phead->next; - - while (phead != plist) { + list_for_each(plist, phead) { uint len; u8 *p; struct wlan_bssid_ex *pbss_network; - pnetwork = container_of(plist, struct wlan_network, list); - - plist = plist->next; + pnetwork = list_entry(plist, struct wlan_network, + list); pbss_network = &pnetwork->network; @@ -5400,12 +5397,10 @@ u8 tx_beacon_hdl(struct adapter *padapter, unsigned char *pbuf) spin_lock_bh(&psta_bmc->sleep_q.lock); xmitframe_phead = get_list_head(&psta_bmc->sleep_q); - xmitframe_plist = xmitframe_phead->next; - - while (xmitframe_phead != xmitframe_plist) { - pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list); - - xmitframe_plist = xmitframe_plist->next; + list_for_each(xmitframe_plist, xmitframe_phead) { + pxmitframe = list_entry(xmitframe_plist, + struct xmit_frame, + list); list_del_init(&pxmitframe->list); diff --git a/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c b/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c index 3c03141e25b1..7941ca0397ed 100644 --- a/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c +++ b/drivers/staging/rtl8188eu/core/rtw_sta_mgt.c @@ -142,13 +142,10 @@ u32 _rtw_free_sta_priv(struct sta_priv *pstapriv) spin_lock_bh(&pstapriv->sta_hash_lock); for (index = 0; index < NUM_STA; index++) { phead = &pstapriv->sta_hash[index]; - plist = phead->next; - - while (phead != plist) { + list_for_each(plist, phead) { int i; - psta = container_of(plist, struct sta_info, hash_list); - plist = plist->next; + psta = list_entry(plist, struct sta_info, hash_list); for (i = 0; i < 16; i++) { preorder_ctrl = &psta->recvreorder_ctrl[i]; @@ -395,12 +392,8 @@ void rtw_free_all_stainfo(struct adapter *padapter) for (index = 0; index < NUM_STA; index++) { phead = &pstapriv->sta_hash[index]; - plist = phead->next; - - while (phead != plist) { - psta = container_of(plist, struct sta_info, hash_list); - - plist = plist->next; + list_for_each(plist, phead) { + psta = list_entry(plist, struct sta_info, hash_list); if (pbcmc_stainfo != psta) rtw_free_stainfo(padapter, psta); @@ -431,17 +424,14 @@ struct sta_info *rtw_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr) spin_lock_bh(&pstapriv->sta_hash_lock); phead = &pstapriv->sta_hash[index]; - plist = phead->next; - - while (phead != plist) { - psta = container_of(plist, struct sta_info, hash_list); + list_for_each(plist, phead) { + psta = list_entry(plist, struct sta_info, hash_list); if (!memcmp(psta->hwaddr, addr, ETH_ALEN)) { /* if found the matched address */ break; } psta = NULL; - plist = plist->next; } spin_unlock_bh(&pstapriv->sta_hash_lock); @@ -489,10 +479,8 @@ bool rtw_access_ctrl(struct adapter *padapter, u8 *mac_addr) spin_lock_bh(&pacl_node_q->lock); phead = get_list_head(pacl_node_q); - plist = phead->next; - while (phead != plist) { - paclnode = container_of(plist, struct rtw_wlan_acl_node, list); - plist = plist->next; + list_for_each(plist, phead) { + paclnode = list_entry(plist, struct rtw_wlan_acl_node, list); if (!memcmp(paclnode->addr, mac_addr, ETH_ALEN)) { if (paclnode->valid) { diff --git a/drivers/staging/rtl8188eu/core/rtw_xmit.c b/drivers/staging/rtl8188eu/core/rtw_xmit.c index 99e44b2c6f36..3763d188b892 100644 --- a/drivers/staging/rtl8188eu/core/rtw_xmit.c +++ b/drivers/staging/rtl8188eu/core/rtw_xmit.c @@ -1335,12 +1335,8 @@ void rtw_free_xmitframe_queue(struct xmit_priv *pxmitpriv, struct __queue *pfram spin_lock_bh(&pframequeue->lock); phead = get_list_head(pframequeue); - plist = phead->next; - - while (phead != plist) { - pxmitframe = container_of(plist, struct xmit_frame, list); - - plist = plist->next; + list_for_each(plist, phead) { + pxmitframe = list_entry(plist, struct xmit_frame, list); rtw_free_xmitframe(pxmitpriv, pxmitframe); } @@ -1404,10 +1400,9 @@ struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmi phwxmit = phwxmit_i + inx[i]; sta_phead = get_list_head(phwxmit->sta_queue); - sta_plist = sta_phead->next; - - while (sta_phead != sta_plist) { - ptxservq = container_of(sta_plist, struct tx_servq, tx_pending); + list_for_each(sta_plist, sta_phead) { + ptxservq = list_entry(sta_plist, struct tx_servq, + tx_pending); pframe_queue = &ptxservq->sta_pending; @@ -1421,8 +1416,6 @@ struct xmit_frame *rtw_dequeue_xframe(struct xmit_priv *pxmitpriv, struct hw_xmi list_del_init(&ptxservq->tx_pending); goto exit; } - - sta_plist = sta_plist->next; } } exit: @@ -1746,12 +1739,8 @@ static void dequeue_xmitframes_to_sleeping_queue(struct adapter *padapter, struc struct hw_xmit *phwxmits = padapter->xmitpriv.hwxmits; phead = get_list_head(pframequeue); - plist = phead->next; - - while (phead != plist) { - pxmitframe = container_of(plist, struct xmit_frame, list); - - plist = plist->next; + list_for_each(plist, phead) { + pxmitframe = list_entry(plist, struct xmit_frame, list); xmitframe_enqueue_for_sleeping_sta(padapter, pxmitframe); @@ -1818,12 +1807,9 @@ void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta) spin_lock_bh(&psta->sleep_q.lock); xmitframe_phead = get_list_head(&psta->sleep_q); - xmitframe_plist = xmitframe_phead->next; - - while (xmitframe_phead != xmitframe_plist) { - pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list); - - xmitframe_plist = xmitframe_plist->next; + list_for_each(xmitframe_plist, xmitframe_phead) { + pxmitframe = list_entry(xmitframe_plist, struct xmit_frame, + list); list_del_init(&pxmitframe->list); @@ -1899,12 +1885,9 @@ void wakeup_sta_to_xmit(struct adapter *padapter, struct sta_info *psta) spin_lock_bh(&psta_bmc->sleep_q.lock); xmitframe_phead = get_list_head(&psta_bmc->sleep_q); - xmitframe_plist = xmitframe_phead->next; - - while (xmitframe_phead != xmitframe_plist) { - pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list); - - xmitframe_plist = xmitframe_plist->next; + list_for_each(xmitframe_plist, xmitframe_phead) { + pxmitframe = list_entry(xmitframe_plist, + struct xmit_frame, list); list_del_init(&pxmitframe->list); @@ -1946,12 +1929,9 @@ void xmit_delivery_enabled_frames(struct adapter *padapter, struct sta_info *pst spin_lock_bh(&psta->sleep_q.lock); xmitframe_phead = get_list_head(&psta->sleep_q); - xmitframe_plist = xmitframe_phead->next; - - while (xmitframe_phead != xmitframe_plist) { - pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list); - - xmitframe_plist = xmitframe_plist->next; + list_for_each(xmitframe_plist, xmitframe_phead) { + pxmitframe = list_entry(xmitframe_plist, struct xmit_frame, + list); switch (pxmitframe->attrib.priority) { case 1: diff --git a/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c b/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c index 2866283c211d..10a8dcc6ca95 100644 --- a/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c +++ b/drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c @@ -507,11 +507,9 @@ bool rtl8188eu_xmitframe_complete(struct adapter *adapt, spin_lock_bh(&pxmitpriv->lock); xmitframe_phead = get_list_head(&ptxservq->sta_pending); - xmitframe_plist = xmitframe_phead->next; - - while (xmitframe_phead != xmitframe_plist) { - pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list); - xmitframe_plist = xmitframe_plist->next; + list_for_each(xmitframe_plist, xmitframe_phead) { + pxmitframe = list_entry(xmitframe_plist, struct xmit_frame, + list); pxmitframe->agg_num = 0; /* not first frame of aggregation */ pxmitframe->pkt_offset = 0; /* not first frame of aggregation, no need to reserve offset */ diff --git a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c index c95ae4d6a3b6..b402c85888ae 100644 --- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c +++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c @@ -952,12 +952,9 @@ static int rtw_wx_set_wap(struct net_device *dev, authmode = padapter->securitypriv.ndisauthtype; spin_lock_bh(&queue->lock); phead = get_list_head(queue); - pmlmepriv->pscanned = phead->next; - - while (phead != pmlmepriv->pscanned) { - pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list); - - pmlmepriv->pscanned = pmlmepriv->pscanned->next; + list_for_each(pmlmepriv->pscanned, phead) { + pnetwork = list_entry(pmlmepriv->pscanned, + struct wlan_network, list); dst_bssid = pnetwork->network.MacAddress; @@ -1211,21 +1208,17 @@ static int rtw_wx_get_scan(struct net_device *dev, struct iw_request_info *a, spin_lock_bh(&pmlmepriv->scanned_queue.lock); phead = get_list_head(queue); - plist = phead->next; - - while (phead != plist) { + list_for_each(plist, phead) { if ((stop - ev) < SCAN_ITEM_SIZE) { ret = -E2BIG; break; } - pnetwork = container_of(plist, struct wlan_network, list); + pnetwork = list_entry(plist, struct wlan_network, list); /* report network only if the current channel set contains the channel to which this network belongs */ if (rtw_ch_set_search_ch(padapter->mlmeextpriv.channel_set, pnetwork->network.Configuration.DSConfig) >= 0) ev = translate_scan(padapter, a, pnetwork, ev, stop); - - plist = plist->next; } spin_unlock_bh(&pmlmepriv->scanned_queue.lock); @@ -1295,12 +1288,9 @@ static int rtw_wx_set_essid(struct net_device *dev, RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_info_, ("%s: ssid =[%s]\n", __func__, src_ssid)); spin_lock_bh(&queue->lock); phead = get_list_head(queue); - pmlmepriv->pscanned = phead->next; - - while (phead != pmlmepriv->pscanned) { - pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list); - - pmlmepriv->pscanned = pmlmepriv->pscanned->next; + list_for_each(pmlmepriv->pscanned, phead) { + pnetwork = list_entry(pmlmepriv->pscanned, + struct wlan_network, list); dst_ssid = pnetwork->network.ssid.ssid; diff --git a/drivers/staging/rtl8188eu/os_dep/xmit_linux.c b/drivers/staging/rtl8188eu/os_dep/xmit_linux.c index a9c42fb80583..6935bdb2d7d2 100644 --- a/drivers/staging/rtl8188eu/os_dep/xmit_linux.c +++ b/drivers/staging/rtl8188eu/os_dep/xmit_linux.c @@ -118,13 +118,9 @@ static int rtw_mlcst2unicst(struct adapter *padapter, struct sk_buff *skb) spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; - plist = phead->next; - /* free sta asoc_queue */ - while (phead != plist) { - psta = container_of(plist, struct sta_info, asoc_list); - - plist = plist->next; + list_for_each(plist, phead) { + psta = list_entry(plist, struct sta_info, asoc_list); /* avoid come from STA1 and send back STA1 */ if (!memcmp(psta->hwaddr, &skb->data[6], 6)) -- 2.17.1