| commit | ef5e0d8237287db3a12d84f08fb2483d7a30a943 | [log] [tgz] |
|---|---|---|
| author | Andrey Vagin <avagin@openvz.org> | Thu Nov 10 05:48:03 2011 +0000 |
| committer | David S. Miller <davem@davemloft.net> | Mon Nov 14 00:38:53 2011 -0500 |
| tree | 788e6c6546b4e3af7b01e0863ef4f2d8808e50ef | |
| parent | 731abb9cb27aef6013ce60808a04e04a545f3f4e [diff] |
bridge: Fix potential deadlock on br->multicast_lock multicast_lock is taken in softirq context, so we should use spin_lock_bh() in userspace. call-chain in softirq context: run_timer_softirq() br_multicast_query_expired() call-chain in userspace: sysfs_write_file() store_multicast_snooping() br_multicast_toggle() Signed-off-by: Andrew Vagin <avagin@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>