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staging: rtl8712: avoid a useless call to memset(). 

In r8711_wx_get_wap(), make sure we do not call memcpy() on a memory area that
has just been zeroed by a call to memset().

Signed-off-by: Cyril Roelandt <tipecaml@gmail.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Cyril Roelandt 2012-12-11 01:20:48 +01:00 committed by Greg Kroah-Hartman
parent ac6a98d452
commit 2df29e7bf2
1 changed files with 4 additions and 4 deletions
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8
drivers/staging/rtl8712/rtl871x_ioctl_linux.c
View File

@ -1131,11 +1131,11 @@ static int r8711_wx_get_wap(struct net_device *dev,
struct ndis_wlan_bssid_ex *pcur_bss = &pmlmepriv->cur_network.network;
wrqu->ap_addr.sa_family = ARPHRD_ETHER;
memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN);
if (check_fwstate(pmlmepriv, _FW_LINKED |
WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) {
if (check_fwstate(pmlmepriv, _FW_LINKED | WIFI_ADHOC_MASTER_STATE |
WIFI_AP_STATE))
memcpy(wrqu->ap_addr.sa_data, pcur_bss->MacAddress, ETH_ALEN);
}
else
memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN);
return 0;
}