[NEIGH]: neigh_table_clear() doesn't free stats

neigh_table_clear() doesn't free tbl->stats.
Found by Alexey Kuznetsov. Though Alexey considers this
leak minor for mainstream, I still believe that cleanup
code should not forget to free some of the resources :)

At least, this is critical for OpenVZ with virtualized
neighbour tables.

Signed-Off-By: Kirill Korotaev <dev@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 5130d2efdbbe..fe2113f54e2b 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1432,6 +1432,9 @@ int neigh_table_clear(struct neigh_table *tbl)
         kfree(tbl->phash_buckets);
         tbl->phash_buckets = NULL;
 
+        free_percpu(tbl->stats);
+        tbl->stats = NULL;
+
         return 0;
 }