NET: mac80211: fix inappropriate memory freeing

Fix inappropriate memory freeing in case of requested rate_control_ops was
not found.  In this case the list head entity is going to be accidentally
wasted.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Acked-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/mac80211/ieee80211_rate.c b/net/mac80211/ieee80211_rate.c
index 3260a4a0ecc5..c3f278393741 100644
--- a/net/mac80211/ieee80211_rate.c
+++ b/net/mac80211/ieee80211_rate.c
@@ -60,11 +60,11 @@ void ieee80211_rate_control_unregister(struct rate_control_ops *ops)
         list_for_each_entry(alg, &rate_ctrl_algs, list) {
                 if (alg->ops == ops) {
                         list_del(&alg->list);
+                        kfree(alg);
                         break;
                 }
         }
         mutex_unlock(&rate_ctrl_mutex);
-        kfree(alg);
 }
 EXPORT_SYMBOL(ieee80211_rate_control_unregister);