[NETFILTER]: Fix incorrect use of skb_make_writable

[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 e700cbf634c24826c9b257364b77a969d884af1a..1ec671d93ddaf455069ab8a5c90ab1fdcf7a2db6 100644 (file)
--- a/net/bridge/netfilter/ebt_dnat.c
+++ b/net/bridge/netfilter/ebt_dnat.c
@@ -20,7 +20,7 @@ static int ebt_target_dnat(struct sk_buff *skb, unsigned int hooknr,
 {
        const struct ebt_nat_info *info = data;
 
-       if (skb_make_writable(skb, 0))
+       if (!skb_make_writable(skb, 0))
                return NF_DROP;
 
        memcpy(eth_hdr(skb)->h_dest, info->mac, ETH_ALEN);