bridge: BH already disabled in br_fdb_cleanup()

br_fdb_cleanup() is run from timer interrupt, BH already masked.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Stephen Hemminger <shemminger@vyatta.com>
CC: Štefan Gula <steweg@gmail.com>
Acked-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/bridge/br_fdb.c

@@ -146,7 +146,7 @@ void br_fdb_cleanup(unsigned long _data)
 	unsigned long next_timer = jiffies + br->ageing_time;
 	int i;
 
-	spin_lock_bh(&br->hash_lock);
+	spin_lock(&br->hash_lock);
 	for (i = 0; i < BR_HASH_SIZE; i++) {
 		struct net_bridge_fdb_entry *f;
 		struct hlist_node *h, *n;
@@ -162,7 +162,7 @@ void br_fdb_cleanup(unsigned long _data)
 				next_timer = this_timer;
 		}
 	}
-	spin_unlock_bh(&br->hash_lock);
+	spin_unlock(&br->hash_lock);
 
 	mod_timer(&br->gc_timer, round_jiffies_up(next_timer));
 }