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Date: Sun, 26 Aug 2012 09:04:23 +0800 From: Wei Yongjun <weiyj.lk@...il.com> To: gregkh@...uxfoundation.org Cc: yongjun_wei@...ndmicro.com.cn, devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org Subject: [PATCH] staging: rtl8192e: use is_broadcast_ether_addr() instead of memcmp() From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn> Using is_broadcast_ether_addr() instead of directly use memcmp() to determine if the ethernet address is broadcast address. spatch with a semantic match is used to found this problem. (http://coccinelle.lip6.fr/) Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn> --- drivers/staging/rtl8192e/rtllib_softmac.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c index a21b4d9..ef4ed85 100644 --- a/drivers/staging/rtl8192e/rtllib_softmac.c +++ b/drivers/staging/rtl8192e/rtllib_softmac.c @@ -19,6 +19,7 @@ #include <linux/random.h> #include <linux/delay.h> #include <linux/uaccess.h> +#include <linux/etherdevice.h> #include "dot11d.h" short rtllib_is_54g(struct rtllib_network *net) @@ -1843,7 +1844,7 @@ static short probe_rq_parse(struct rtllib_device *ieee, struct sk_buff *skb, bssid_match = (memcmp(header->addr3, ieee->current_network.bssid, ETH_ALEN) != 0) && - (memcmp(header->addr3, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0); + (!is_broadcast_ether_addr(header->addr3)); if (bssid_match) return -1; @@ -3361,9 +3362,7 @@ static int rtllib_wpa_set_encryption(struct rtllib_device *ieee, param->u.crypt.key_len); return -EINVAL; } - if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff && - param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff && - param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) { + if (is_broadcast_ether_addr(param->sta_addr)) { if (param->u.crypt.idx >= NUM_WEP_KEYS) return -EINVAL; crypt = &ieee->crypt_info.crypt[param->u.crypt.idx]; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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