kernel: add missing check for skb->dev on netfilter xfrm optimization patch

Signed-off-by: Felix Fietkau <nbd@openwrt.org> SVN-Revision: 43567
10 years ago · 0cebaafa6e
parent 14a163ca58
commit 0cebaafa6e
3 changed files with 3 additions and 3 deletions
--- a/target/linux/generic/patches-3.10/616-net_optimize_xfrm_calls.patch
+++ b/target/linux/generic/patches-3.10/616-net_optimize_xfrm_calls.patch
@ -4,7 +4,7 @@
 	struct dst_entry *dst;
 	int err;
 
-+	if (!dev_net(skb->dev)->xfrm.policy_count[XFRM_POLICY_OUT])
+	if (skb->dev && !dev_net(skb->dev)->xfrm.policy_count[XFRM_POLICY_OUT])
 +		return 0;
 +
 	err = xfrm_decode_session(skb, &fl, family);
--- a/target/linux/generic/patches-3.14/616-net_optimize_xfrm_calls.patch
+++ b/target/linux/generic/patches-3.14/616-net_optimize_xfrm_calls.patch
@ -4,7 +4,7 @@
 	struct dst_entry *dst;
 	int err;
 
-+	if (!dev_net(skb->dev)->xfrm.policy_count[XFRM_POLICY_OUT])
+	if (skb->dev && !dev_net(skb->dev)->xfrm.policy_count[XFRM_POLICY_OUT])
 +		return 0;
 +
 	err = xfrm_decode_session(skb, &fl, family);
--- a/target/linux/generic/patches-3.18/616-net_optimize_xfrm_calls.patch
+++ b/target/linux/generic/patches-3.18/616-net_optimize_xfrm_calls.patch
@ -4,7 +4,7 @@
 	struct dst_entry *dst;
 	int err;
 
-+	if (!dev_net(skb->dev)->xfrm.policy_count[XFRM_POLICY_OUT])
+	if (skb->dev && !dev_net(skb->dev)->xfrm.policy_count[XFRM_POLICY_OUT])
 +		return 0;
 +
 	err = xfrm_decode_session(skb, &fl, family);