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>
This commit is contained in:
Li RongQing 2012-09-17 22:40:10 +00:00 committed by David S. Miller
parent 1d57f19539
commit 433a195480

View File

@ -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);
}