[NETFILTER]: Replace sk_buff ** with sk_buff *

[firefly-linux-kernel-4.4.55.git] / net / bridge / netfilter / ebt_dnat.c

diff --git a/net/bridge/netfilter/ebt_dnat.c b/net/bridge/netfilter/ebt_dnat.c
index 4582659dff0e1e535b51551003ed45a1af92ebea..74262e9a566a3f7baf63779f948fb16f4dfd282f 100644 (file)
--- a/net/bridge/netfilter/ebt_dnat.c
+++ b/net/bridge/netfilter/ebt_dnat.c
@@ -8,29 +8,22 @@
  *
  */
 
+#include <linux/netfilter.h>
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/netfilter_bridge/ebt_nat.h>
 #include <linux/module.h>
 #include <net/sock.h>
 
-static int ebt_target_dnat(struct sk_buff **pskb, unsigned int hooknr,
+static int ebt_target_dnat(struct sk_buff *skb, unsigned int hooknr,
    const struct net_device *in, const struct net_device *out,
    const void *data, unsigned int datalen)
 {
        struct ebt_nat_info *info = (struct ebt_nat_info *)data;
 
-       if (skb_shared(*pskb) || skb_cloned(*pskb)) {
-               struct sk_buff *nskb;
+       if (skb_make_writable(skb, 0))
+               return NF_DROP;
 
-               nskb = skb_copy(*pskb, GFP_ATOMIC);
-               if (!nskb)
-                       return NF_DROP;
-               if ((*pskb)->sk)
-                       skb_set_owner_w(nskb, (*pskb)->sk);
-               kfree_skb(*pskb);
-               *pskb = nskb;
-       }
-       memcpy(eth_hdr(*pskb)->h_dest, info->mac, ETH_ALEN);
+       memcpy(eth_hdr(skb)->h_dest, info->mac, ETH_ALEN);
        return info->target;
 }