[NET]: Fix race between poll_napi() and net_rx_action()

[linux-2.6-omap-h63xx.git] / net / bridge / br_fdb.c

diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index 3fc697293819524823ee8bb4d9918493f12db6e0..eb57502bb2641b7087b50a8c2577699f3b3ab388 100644 (file)
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -36,7 +36,7 @@ int __init br_fdb_init(void)
        br_fdb_cache = kmem_cache_create("bridge_fdb_cache",
                                         sizeof(struct net_bridge_fdb_entry),
                                         0,
-                                        SLAB_HWCACHE_ALIGN, NULL, NULL);
+                                        SLAB_HWCACHE_ALIGN, NULL);
        if (!br_fdb_cache)
                return -ENOMEM;
 
@@ -384,6 +384,11 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
        if (hold_time(br) == 0)
                return;
 
+       /* ignore packets unless we are using this port */
+       if (!(source->state == BR_STATE_LEARNING ||
+             source->state == BR_STATE_FORWARDING))
+               return;
+
        fdb = fdb_find(head, addr);
        if (likely(fdb)) {
                /* attempt to update an entry for a local interface */