mac80211: Report allocation failure from mesh_path_node_copy.

Now - return the -ENOMEM in case kmalloc fails.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index 512bfa112c6a..fe1ceeea07f1 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -469,9 +469,12 @@ static int mesh_path_node_copy(struct hlist_node *p, struct mesh_table *newtbl)
         struct mpath_node *node, *new_node;
         u32 hash_idx;
 
+        new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL);
+        if (new_node == NULL)
+                return -ENOMEM;
+
         node = hlist_entry(p, struct mpath_node, list);
         mpath = node->mpath;
-        new_node = kmalloc(sizeof(struct mpath_node), GFP_KERNEL);
         new_node->mpath = mpath;
         hash_idx = mesh_table_hash(mpath->dst, mpath->dev, newtbl);
         hlist_add_head(&new_node->list,