Messages in this thread Patch in this message | | | Date | Thu, 23 Aug 2012 15:19:00 +0800 | Subject | [PATCH] staging: rtl8192e: use is_zero_ether_addr() instead of memcmp() | From | Wei Yongjun <> |
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From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Using is_zero_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> --- drivers/staging/rtl8192e/rtllib_softmac_wx.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/rtl8192e/rtllib_softmac_wx.c b/drivers/staging/rtl8192e/rtllib_softmac_wx.c index 1bb6b52..3cedfd9 100644 --- a/drivers/staging/rtl8192e/rtllib_softmac_wx.c +++ b/drivers/staging/rtl8192e/rtllib_softmac_wx.c @@ -14,6 +14,8 @@ */ +#include <linux/etherdevice.h> + #include "rtllib.h" #include "dot11d.h" /* FIXME: add A freqs */ @@ -137,7 +139,6 @@ int rtllib_wx_set_wap(struct rtllib_device *ieee, { int ret = 0; - u8 zero[] = {0, 0, 0, 0, 0, 0}; unsigned long flags; short ifup = ieee->proto_started; @@ -157,7 +158,7 @@ int rtllib_wx_set_wap(struct rtllib_device *ieee, goto out; } - if (memcmp(temp->sa_data, zero, ETH_ALEN) == 0) { + if (is_zero_ether_addr(temp->sa_data)) { spin_lock_irqsave(&ieee->lock, flags); memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN); ieee->wap_set = 0; @@ -177,7 +178,7 @@ int rtllib_wx_set_wap(struct rtllib_device *ieee, ieee->cannot_notify = false; memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN); - ieee->wap_set = (memcmp(temp->sa_data, zero, ETH_ALEN) != 0); + ieee->wap_set = (!is_zero_ether_addr(temp->sa_data)); spin_unlock_irqrestore(&ieee->lock, flags);
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