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Revert "bridge: use _bh spinlock variant for br_fdb_update to avoid lockup" 

This reverts commit 1d7c49037b.

Nikolay Aleksandrov has a better version of this fix.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2015-06-07 19:43:47 -07:00
parent 25cc8f0763
commit 7ff46e79fb
1 changed files with 2 additions and 2 deletions
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4
net/bridge/br_fdb.c
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@ -569,7 +569,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
fdb_notify(br, fdb, RTM_NEWNEIGH);
}
} else {
spin_lock_bh(&br->hash_lock);
spin_lock(&br->hash_lock);
if (likely(!fdb_find(head, addr, vid))) {
fdb = fdb_create(head, source, addr, vid);
if (fdb) {
@ -581,7 +581,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
/* else we lose race and someone else inserts
* it first, don't bother updating
*/
spin_unlock_bh(&br->hash_lock);
spin_unlock(&br->hash_lock);
}
}