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>

1 files changed, 3 insertions, 1 deletions

diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 3f830ac159e5..0fc9752facea 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) {