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-rw-r--r--net/xfrm/xfrm_policy.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index bb1c94e20..1cd21a8c4 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1697,8 +1697,10 @@ static int xfrm_expand_policies(const struct flowi *fl, u16 family,
*num_xfrms = 0;
return 0;
}
- if (IS_ERR(pols[0]))
+ if (IS_ERR(pols[0])) {
+ *num_pols = 0;
return PTR_ERR(pols[0]);
+ }
*num_xfrms = pols[0]->xfrm_nr;
@@ -1713,6 +1715,7 @@ static int xfrm_expand_policies(const struct flowi *fl, u16 family,
if (pols[1]) {
if (IS_ERR(pols[1])) {
xfrm_pols_put(pols, *num_pols);
+ *num_pols = 0;
return PTR_ERR(pols[1]);
}
(*num_pols)++;
@@ -2400,6 +2403,7 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb,
if (pols[1]) {
if (IS_ERR(pols[1])) {
XFRM_INC_STATS(net, LINUX_MIB_XFRMINPOLERROR);
+ xfrm_pol_put(pols[0]);
return 0;
}
pols[1]->curlft.use_time = ktime_get_real_seconds();