[NETFILTER]: ebtables: remove casts, use consts

Signed-off-by: Jan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 3 deletions

diff --git a/net/bridge/netfilter/ebt_snat.c b/net/bridge/netfilter/ebt_snat.c
index 425ac920904..6bc263c5898 100644
--- a/net/bridge/netfilter/ebt_snat.c
+++ b/net/bridge/netfilter/ebt_snat.c
@@ -20,7 +20,7 @@ static int ebt_target_snat(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;
+        const struct ebt_nat_info *info = data;
 
         if (skb_make_writable(skb, 0))
                 return NF_DROP;
@@ -28,7 +28,8 @@ static int ebt_target_snat(struct sk_buff *skb, unsigned int hooknr,
         memcpy(eth_hdr(skb)->h_source, info->mac, ETH_ALEN);
         if (!(info->target & NAT_ARP_BIT) &&
             eth_hdr(skb)->h_proto == htons(ETH_P_ARP)) {
-                struct arphdr _ah, *ap;
+                const struct arphdr *ap;
+                struct arphdr _ah;
 
                 ap = skb_header_pointer(skb, 0, sizeof(_ah), &_ah);
                 if (ap == NULL)
@@ -45,7 +46,7 @@ out:
 static int ebt_target_snat_check(const char *tablename, unsigned int hookmask,
    const struct ebt_entry *e, void *data, unsigned int datalen)
 {
-        struct ebt_nat_info *info = (struct ebt_nat_info *) data;
+        const struct ebt_nat_info *info = data;
         int tmp;
 
         if (datalen != EBT_ALIGN(sizeof(struct ebt_nat_info)))