mac80211: Improve dequeing from mpath frame queue.

Also, fix typo in comment.

Signed-off-by: Javier Cardona <javier@cozybit.com>
Tested-by: Andrey Yurovsky <andrey@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 3 insertions, 5 deletions

diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index ce538814b9b..6aaf1ecbcb6 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -61,7 +61,7 @@ enum mesh_path_flags {
  *      retry
  * @discovery_retries: number of discovery retries
  * @flags: mesh path flags, as specified on &enum mesh_path_flags
- * @state_lock: mesh pat state lock
+ * @state_lock: mesh path state lock
  *
  *
  * The combination of dst and sdata is unique in the mesh path table. Since the
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index e1a763ea1e3..b54c21cf5f7 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -810,10 +810,8 @@ int mesh_nexthop_lookup(struct sk_buff *skb,
                 }
 
                 if (skb_queue_len(&mpath->frame_queue) >=
-                                MESH_FRAME_QUEUE_LEN) {
-                        skb_to_free = mpath->frame_queue.next;
-                        skb_unlink(skb_to_free, &mpath->frame_queue);
-                }
+                                MESH_FRAME_QUEUE_LEN)
+                        skb_to_free = skb_dequeue(&mpath->frame_queue);
 
                 info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
                 skb_queue_tail(&mpath->frame_queue, skb);