From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 8 Dec 2011 06:49:03 +0000 (+0300)
Subject: mac80211: unlock on error path in ieee80211_ibss_join()
X-Git-Tag: v3.12-rc1~4160^2~44^2~197
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fb03c5eb8c0bbf4561cb5aa72e0a9546e9574661;p=kernel%2Fkernel-generic.git

mac80211: unlock on error path in ieee80211_ibss_join()

We recently introduced a new return here but it needs an unlock first.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 3f830ac..0fc9752 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -993,8 +993,10 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
 	if (params->channel_fixed) {
 		sdata->local->oper_channel = params->channel;
 		if (!ieee80211_set_channel_type(sdata->local, sdata,
-					       params->channel_type))
+					       params->channel_type)) {
+			mutex_unlock(&sdata->u.ibss.mtx);
 			return -EINVAL;
+		}
 	}
 
 	if (params->ie) {