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linux-sg2042
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ipw2100: use is_zero_ether_addr() and is_broadcast_ether_addr() 

Using is_zero_ether_addr() and is_broadcast_ether_addr() instead of
directly use memcmp() to determine if the ethernet address is all zeros.

spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wei Yongjun 2012-08-23 14:53:24 +08:00 committed by John W. Linville
parent 32e31de5c3
commit 96e716b27a
1 changed files with 2 additions and 9 deletions
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11
drivers/net/wireless/ipw2x00/ipw2100.c
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@ -6963,13 +6963,6 @@ static int ipw2100_wx_set_wap(struct net_device *dev,
struct ipw2100_priv *priv = libipw_priv(dev);
int err = 0;
static const unsigned char any[] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};
static const unsigned char off[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
// sanity checks
if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
return -EINVAL;
@ -6980,8 +6973,8 @@ static int ipw2100_wx_set_wap(struct net_device *dev,
goto done;
}
if (!memcmp(any, wrqu->ap_addr.sa_data, ETH_ALEN) ||
!memcmp(off, wrqu->ap_addr.sa_data, ETH_ALEN)) {
if (is_broadcast_ether_addr(wrqu->ap_addr.sa_data) ||
is_zero_ether_addr(wrqu->ap_addr.sa_data)) {
/* we disable mandatory BSSID association */
IPW_DEBUG_WX("exit - disable mandatory BSSID\n");
priv->config &= ~CFG_STATIC_BSSID;