1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 726ea5e8180..d675ff80b04 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1685,7 +1685,7 @@ static void ip_handle_martian_source(struct net_device *dev,
                 printk(KERN_WARNING "martian source %u.%u.%u.%u from "
                         "%u.%u.%u.%u, on dev %s\n",
                         NIPQUAD(daddr), NIPQUAD(saddr), dev->name);
-                if (dev->hard_header_len) {
+                if (dev->hard_header_len && skb->mac.raw) {
                         int i;
                         unsigned char *p = skb->mac.raw;
                         printk(KERN_WARNING "ll header: ");