skb->dev is always non-NULL, the check is unnecessary. Remove it. Found by Linux Verification Center (linuxtesting.org) with Svace. Signed-off-by: Roman Smirnov <r.smirnov@xxxxxx> Reviewed-by: Sergey Shtylyov <s.shtylyov@xxxxxx> --- net/netfilter/nfnetlink_log.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index 134e05d31061..ee04a52eaf33 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -566,8 +566,7 @@ __build_packet_message(struct nfnl_log_net *log, nla_put_be32(inst->skb, NFULA_MARK, htonl(skb->mark))) goto nla_put_failure; - if (indev && skb->dev && - skb_mac_header_was_set(skb) && + if (indev && skb_mac_header_was_set(skb) && skb_mac_header_len(skb) != 0) { struct nfulnl_msg_packet_hw phw; int len; -- 2.43.0