1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c
index 99cfa28b6d38..ebc5f8894f99 100644
--- a/net/ipv4/netfilter/nf_nat_helper.c
+++ b/net/ipv4/netfilter/nf_nat_helper.c
@@ -160,7 +160,7 @@ static void nf_nat_csum(struct sk_buff *skb, const struct iphdr *iph, void *data
 
         if (skb->ip_summed != CHECKSUM_PARTIAL) {
                 if (!(rt->rt_flags & RTCF_LOCAL) &&
-                    skb->dev->features & NETIF_F_V4_CSUM) {
+                    (!skb->dev || skb->dev->features & NETIF_F_V4_CSUM)) {
                         skb->ip_summed = CHECKSUM_PARTIAL;
                         skb->csum_start = skb_headroom(skb) +
                                           skb_network_offset(skb) +