mac80211: free skb on error path of ieee80211_ibss_join()

Our new return also created a memleak. The skb should be freed before
returning an error.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 0fc9752facea..fe0e91e0b8bc 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -995,6 +995,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata,
                 if (!ieee80211_set_channel_type(sdata->local, sdata,
                                                params->channel_type)) {
                         mutex_unlock(&sdata->u.ibss.mtx);
+                        kfree_skb(skb);
                         return -EINVAL;
                 }
         }