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Diffstat (limited to 'net/xfrm/xfrm_user.c')
-rw-r--r--net/xfrm/xfrm_user.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 6106b72826d3..a267fbdda525 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1741,6 +1741,10 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
if (err)
return err;
+ err = verify_policy_dir(p->dir);
+ if (err)
+ return err;
+
if (p->index)
xp = xfrm_policy_byid(net, mark, type, p->dir, p->index, 0, &err);
else {
@@ -1766,13 +1770,9 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
if (xp == NULL)
return -ENOENT;
- read_lock(&xp->lock);
- if (xp->walk.dead) {
- read_unlock(&xp->lock);
+ if (unlikely(xp->walk.dead))
goto out;
- }
- read_unlock(&xp->lock);
err = 0;
if (up->hard) {
uid_t loginuid = NETLINK_CB(skb).loginuid;
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