tree 40d9d03a585e344d405d25648a5336d9b92721dc
parent 9979a55a833883242e3a29f3596676edd7199c46
author Cong Wang <amwang@redhat.com> 1363979647 +0000
committer David S. Miller <davem@davemloft.net> 1364160448 -0400

8021q: fix a potential use-after-free

vlan_vid_del() could possibly free ->vlan_info after a RCU grace
period, however, we may still refer to the freed memory area
by 'grp' pointer. Found by code inspection.

This patch moves vlan_vid_del() as behind as possible.

Cc: Patrick McHardy <kaber@trash.net>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>