1 files changed, 10 insertions, 7 deletions

diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 3d4da2c16b6a..2db4c8773c1b 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -187,7 +187,7 @@ bool ip_call_ra_chain(struct sk_buff *skb)
         return false;
 }
 
-static int ip_local_deliver_finish(struct sk_buff *skb)
+static int ip_local_deliver_finish(struct sock *sk, struct sk_buff *skb)
 {
         struct net *net = dev_net(skb->dev);
 
@@ -203,7 +203,7 @@ static int ip_local_deliver_finish(struct sk_buff *skb)
                 raw = raw_local_deliver(skb, protocol);
 
                 ipprot = rcu_dereference(inet_protos[protocol]);
-                if (ipprot != NULL) {
+                if (ipprot) {
                         int ret;
 
                         if (!ipprot->no_policy) {
@@ -253,7 +253,8 @@ int ip_local_deliver(struct sk_buff *skb)
                         return 0;
         }
 
-        return NF_HOOK(NFPROTO_IPV4, NF_INET_LOCAL_IN, skb, skb->dev, NULL,
+        return NF_HOOK(NFPROTO_IPV4, NF_INET_LOCAL_IN, NULL, skb,
+                       skb->dev, NULL,
                        ip_local_deliver_finish);
 }
 
@@ -309,12 +310,12 @@ drop:
 int sysctl_ip_early_demux __read_mostly = 1;
 EXPORT_SYMBOL(sysctl_ip_early_demux);
 
-static int ip_rcv_finish(struct sk_buff *skb)
+static int ip_rcv_finish(struct sock *sk, 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 +388,8 @@ 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;
         }
@@ -450,7 +452,8 @@ int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt,
         /* Must drop socket now because of tproxy. */
         skb_orphan(skb);
 
-        return NF_HOOK(NFPROTO_IPV4, NF_INET_PRE_ROUTING, skb, dev, NULL,
+        return NF_HOOK(NFPROTO_IPV4, NF_INET_PRE_ROUTING, NULL, skb,
+                       dev, NULL,
                        ip_rcv_finish);
 
 csum_error: