Use zeroing allocator rather than allocator followed with memset 0. Signed-off-by: Fuqian Huang <huangfq.daxian@xxxxxxxxx> --- drivers/staging/rtl8188eu/os_dep/mlme_linux.c | 3 +-- drivers/staging/rtl8712/rtl871x_io.c | 4 +--- drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c | 8 ++------ drivers/staging/rtl8723bs/os_dep/ioctl_linux.c | 12 +++--------- 4 files changed, 7 insertions(+), 20 deletions(-) diff --git a/drivers/staging/rtl8188eu/os_dep/mlme_linux.c b/drivers/staging/rtl8188eu/os_dep/mlme_linux.c index 9db11b16cb93..250acb01d1a9 100644 --- a/drivers/staging/rtl8188eu/os_dep/mlme_linux.c +++ b/drivers/staging/rtl8188eu/os_dep/mlme_linux.c @@ -98,10 +98,9 @@ void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie) if (authmode == _WPA_IE_ID_) { RT_TRACE(_module_mlme_osdep_c_, _drv_info_, ("rtw_report_sec_ie, authmode=%d\n", authmode)); - buff = rtw_malloc(IW_CUSTOM_MAX); + buff = rtw_zmalloc(IW_CUSTOM_MAX); if (!buff) return; - memset(buff, 0, IW_CUSTOM_MAX); p = buff; p += sprintf(p, "ASSOCINFO(ReqIEs ="); len = sec_ie[1] + 2; diff --git a/drivers/staging/rtl8712/rtl871x_io.c b/drivers/staging/rtl8712/rtl871x_io.c index 17dafeffd6f4..87024d6a465e 100644 --- a/drivers/staging/rtl8712/rtl871x_io.c +++ b/drivers/staging/rtl8712/rtl871x_io.c @@ -107,13 +107,11 @@ uint r8712_alloc_io_queue(struct _adapter *adapter) INIT_LIST_HEAD(&pio_queue->processing); INIT_LIST_HEAD(&pio_queue->pending); spin_lock_init(&pio_queue->lock); - pio_queue->pallocated_free_ioreqs_buf = kmalloc(NUM_IOREQ * + pio_queue->pallocated_free_ioreqs_buf = kzalloc(NUM_IOREQ * (sizeof(struct io_req)) + 4, GFP_ATOMIC); if ((pio_queue->pallocated_free_ioreqs_buf) == NULL) goto alloc_io_queue_fail; - memset(pio_queue->pallocated_free_ioreqs_buf, 0, - (NUM_IOREQ * (sizeof(struct io_req)) + 4)); pio_queue->free_ioreqs_buf = pio_queue->pallocated_free_ioreqs_buf + 4 - ((addr_t)(pio_queue->pallocated_free_ioreqs_buf) & 3); diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c index db553f2e4c0b..f8e0723f5d1f 100644 --- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c @@ -1078,12 +1078,10 @@ static int cfg80211_rtw_add_key(struct wiphy *wiphy, struct net_device *ndev, DBG_871X("pairwise =%d\n", pairwise); param_len = sizeof(struct ieee_param) + params->key_len; - param = rtw_malloc(param_len); + param = rtw_zmalloc(param_len); if (param == NULL) return -1; - memset(param, 0, param_len); - param->cmd = IEEE_CMD_SET_ENCRYPTION; memset(param->sta_addr, 0xff, ETH_ALEN); @@ -2167,15 +2165,13 @@ static int cfg80211_rtw_connect(struct wiphy *wiphy, struct net_device *ndev, { wep_key_len = wep_key_len <= 5 ? 5 : 13; wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial); - pwep = rtw_malloc(wep_total_len); + pwep = rtw_zmalloc(wep_total_len); if (pwep == NULL) { DBG_871X(" wpa_set_encryption: pwep allocate fail !!!\n"); ret = -ENOMEM; goto exit; } - memset(pwep, 0, wep_total_len); - pwep->KeyLength = wep_key_len; pwep->Length = wep_total_len; diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c index e3d356952875..1491d420929c 100644 --- a/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_linux.c @@ -478,14 +478,12 @@ static int wpa_set_encryption(struct net_device *dev, struct ieee_param *param, if (wep_key_len > 0) { wep_key_len = wep_key_len <= 5 ? 5 : 13; wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial); - pwep = rtw_malloc(wep_total_len); + pwep = rtw_zmalloc(wep_total_len); if (pwep == NULL) { RT_TRACE(_module_rtl871x_ioctl_os_c, _drv_err_, (" wpa_set_encryption: pwep allocate fail !!!\n")); goto exit; } - memset(pwep, 0, wep_total_len); - pwep->KeyLength = wep_key_len; pwep->Length = wep_total_len; @@ -2144,12 +2142,10 @@ static int rtw_wx_set_enc_ext(struct net_device *dev, int ret = 0; param_len = sizeof(struct ieee_param) + pext->key_len; - param = rtw_malloc(param_len); + param = rtw_zmalloc(param_len); if (param == NULL) return -1; - memset(param, 0, param_len); - param->cmd = IEEE_CMD_SET_ENCRYPTION; memset(param->sta_addr, 0xff, ETH_ALEN); @@ -3522,14 +3518,12 @@ static int rtw_set_encryption(struct net_device *dev, struct ieee_param *param, if (wep_key_len > 0) { wep_key_len = wep_key_len <= 5 ? 5 : 13; wep_total_len = wep_key_len + FIELD_OFFSET(struct ndis_802_11_wep, KeyMaterial); - pwep = rtw_malloc(wep_total_len); + pwep = rtw_zmalloc(wep_total_len); if (pwep == NULL) { DBG_871X(" r871x_set_encryption: pwep allocate fail !!!\n"); goto exit; } - memset(pwep, 0, wep_total_len); - pwep->KeyLength = wep_key_len; pwep->Length = wep_total_len; -- 2.11.0 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel