From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Fri, 24 Aug 2012 05:27:10 +0000 (+0800)
Subject: mwifiex: use is_zero_ether_addr() instead of memcmp()
X-Git-Tag: v3.7-rc1~145^2~30^2~183
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=626a43de90cf5832a54a66f3320dba97dd073c48;p=profile%2Fivi%2Fkernel-adaptation-intel-automotive.git

mwifiex: use is_zero_ether_addr() instead of memcmp()

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>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c
index 0b09004..62223ab 100644
--- a/drivers/net/wireless/mwifiex/sta_cmdresp.c
+++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c
@@ -736,7 +736,6 @@ static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
 {
 	struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
 					&(resp->params.ibss_coalescing);
-	u8 zero_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 };
 
 	if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
 		return 0;
@@ -745,7 +744,7 @@ static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
 		"info: new BSSID %pM\n", ibss_coal_resp->bssid);
 
 	/* If rsp has NULL BSSID, Just return..... No Action */
-	if (!memcmp(ibss_coal_resp->bssid, zero_mac, ETH_ALEN)) {
+	if (is_zero_ether_addr(ibss_coal_resp->bssid)) {
 		dev_warn(priv->adapter->dev, "new BSSID is NULL\n");
 		return 0;
 	}