Commit 433a1954 authored Sep 17, 2012 by Li RongQing Committed by David S. Miller Sep 18, 2012

xfrm: fix a read lock imbalance in make_blackhole



if xfrm_policy_get_afinfo returns 0, it has already released the read
lock, xfrm_policy_put_afinfo should not be called again.

Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 1d57f195

net/xfrm/xfrm_policy.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1764,7 +1764,7 @@ static struct dst_entry make_blackhole(struct net net, u16 family,

		if (!afinfo) {
		dst_release(dst_orig);
		ret = ERR_PTR(-EINVAL);
		return ERR_PTR(-EINVAL);
		} else {
		ret = afinfo->blackhole_route(net, dst_orig);
		}