linux-kernel - [PATCH] net: mac80211/cfg.c: fix error using of sizeof()

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Message-Id: <1360167826-29265-1-git-send-email-dinggnu@gmail.com>
Date:	Wed,  6 Feb 2013 17:23:45 +0100
From:	Cong Ding <dinggnu@...il.com>
To:	Johannes Berg <johannes@...solutions.net>,
	"John W. Linville" <linville@...driver.com>,
	"David S. Miller" <davem@...emloft.net>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	Cong Ding <dinggnu@...il.com>
Subject: [PATCH] net: mac80211/cfg.c: fix error using of sizeof()

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

Signed-off-by: Cong Ding <dinggnu@...il.com>
---
 net/mac80211/cfg.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 661b878..af561d5 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2058,7 +2058,8 @@ 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;
 }
-- 
1.7.9.5

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