X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=net%2Fipv4%2Fip_input.c;h=00bed6fe3b663347742f8b4db274d5ebcc81d0c2;hb=51456b2914a34d16b1255b7c55d5cbf6a681d306;hp=3d4da2c16b6a3c6d6bc41d8fec0ed182037b0801;hpb=42738c2b39fef8cae3e7138948d9e0979b703894;p=deliverable%2Flinux.git

diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 3d4da2c16b6a..00bed6fe3b66 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -314,7 +314,7 @@ static int ip_rcv_finish(struct sk_buff *skb)
 	const struct iphdr *iph = ip_hdr(skb);
 	struct rtable *rt;
 
-	if (sysctl_ip_early_demux && !skb_dst(skb) && skb->sk == NULL) {
+	if (sysctl_ip_early_demux && !skb_dst(skb) && !skb->sk) {
 		const struct net_protocol *ipprot;
 		int protocol = iph->protocol;
 
@@ -387,7 +387,8 @@ int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt,
 
 	IP_UPD_PO_STATS_BH(dev_net(dev), IPSTATS_MIB_IN, skb->len);
 
-	if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) {
+	skb = skb_share_check(skb, GFP_ATOMIC);
+	if (!skb) {
 		IP_INC_STATS_BH(dev_net(dev), IPSTATS_MIB_INDISCARDS);
 		goto out;
 	}