From: Cong Ding <dinggnu@gmail.com>
Date: Wed, 6 Feb 2013 16:23:45 +0000 (+0100)
Subject: mac80211: fix error in sizeof() usage
X-Git-Url: https://rtime.felk.cvut.cz/gitweb/linux-imx.git/commitdiff_plain/9887dbf5b2163bcf69cd4456c21352e9a81c6003

mac80211: fix error in sizeof() usage

Using 'sizeof' on array given as function argument returns
size of a pointer rather than the size of array.

Cc: stable@vger.kernel.org
Signed-off-by: Cong Ding <dinggnu@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 516fbc96feff..0479c64aa83c 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2004,7 +2004,8 @@ static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
 {
 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-	memcpy(sdata->vif.bss_conf.mcast_rate, rate, sizeof(rate));
+	memcpy(sdata->vif.bss_conf.mcast_rate, rate,
+	       sizeof(int) * IEEE80211_NUM_BANDS);
 
 	return 0;
 }