mac80211: clean up mpath_move_to_queue()

Use skb_queue_walk_safe instead, and fix a few issues:

	- didn't free old skbs on moving
	- didn't react to failed skb alloc
	- needlessly held a local pointer to the destination frame queue
	- didn't check destination queue length before adding skb

Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index faaa39bcfd10..e4d911ffd5d1 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -215,6 +215,9 @@ struct mesh_rmc {
 /* Maximum number of paths per interface */
 #define MESH_MAX_MPATHS         1024
 
+/* Number of frames buffered per destination for unresolved destinations */
+#define MESH_FRAME_QUEUE_LEN    10
+
 /* Public interfaces */
 /* Various */
 int ieee80211_fill_mesh_addresses(struct ieee80211_hdr *hdr, __le16 *fc,