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 3f830ac159e519f7fde25db5d51c4ff344f813ce..0fc9752faceab5980ae23a11cdad1bd42f634a06 100644 (file)
--- 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) {