sock: support per-packet fwmark

[cascardo/linux.git] / net / ethernet / eth.c

diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index d850fdc..9e63f25 100644 (file)
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -127,7 +127,7 @@ u32 eth_get_headlen(void *data, unsigned int len)
        struct flow_keys keys;
 
        /* this should never happen, but better safe than sorry */
-       if (len < sizeof(*eth))
+       if (unlikely(len < sizeof(*eth)))
                return len;
 
        /* parse any remaining L2/L3 headers, check for L4 */