From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 20 Jun 2009 10:31:11 +0000 (+0200)
Subject: Wireless: nl80211, fix lock imbalance
X-Git-Tag: v2.6.31-rc3~40^2~5^2~16
X-Git-Url: http://bbs.cooldavid.org/git/?a=commitdiff_plain;h=1f5fc70a250cc18f066072119e9fbbc20dad865f;p=net-next-2.6.git

Wireless: nl80211, fix lock imbalance

Don't forget to unlock cfg80211_mutex in one fail path of
nl80211_set_wiphy.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 241bddd0b4f..43bdb1372ca 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -447,6 +447,7 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
 
 	rdev = __cfg80211_drv_from_info(info);
 	if (IS_ERR(rdev)) {
+		mutex_unlock(&cfg80211_mutex);
 		result = PTR_ERR(rdev);
 		goto unlock;
 	}