X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fbridge%2Fnetfilter%2Febt_arpreply.c;h=0c4279590fc70c25a60b3b18e5ce38f5a6126c29;hb=ebaac8c9a5b9e8aeab4009cefcfc1e9421337ac5;hp=48a80e4232879c5afe409fc5697e4167cfe8969f;hpb=541010e4b8921cd781ff02ae68028501457045b6;p=linux-2.6

diff --git a/net/bridge/netfilter/ebt_arpreply.c b/net/bridge/netfilter/ebt_arpreply.c
index 48a80e4232..0c4279590f 100644
--- a/net/bridge/netfilter/ebt_arpreply.c
+++ b/net/bridge/netfilter/ebt_arpreply.c
@@ -19,10 +19,13 @@ static int ebt_target_reply(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_arpreply_info *info = (struct ebt_arpreply_info *)data;
-	__be32 _sip, *siptr, _dip, *diptr;
-	struct arphdr _ah, *ap;
-	unsigned char _sha[ETH_ALEN], *shp;
+	struct ebt_arpreply_info *info = (void *)data;
+	const __be32 *siptr, *diptr;
+	__be32 _sip, _dip;
+	const struct arphdr *ap;
+	struct arphdr _ah;
+	const unsigned char *shp;
+	unsigned char _sha[ETH_ALEN];
 
 	ap = skb_header_pointer(skb, 0, sizeof(_ah), &_ah);
 	if (ap == NULL)
@@ -58,7 +61,7 @@ static int ebt_target_reply(struct sk_buff *skb, unsigned int hooknr,
 static int ebt_target_reply_check(const char *tablename, unsigned int hookmask,
    const struct ebt_entry *e, void *data, unsigned int datalen)
 {
-	struct ebt_arpreply_info *info = (struct ebt_arpreply_info *)data;
+	const struct ebt_arpreply_info *info = data;
 
 	if (datalen != EBT_ALIGN(sizeof(struct ebt_arpreply_info)))
 		return -EINVAL;
@@ -73,8 +76,7 @@ static int ebt_target_reply_check(const char *tablename, unsigned int hookmask,
 	return 0;
 }
 
-static struct ebt_target reply_target =
-{
+static struct ebt_target reply_target __read_mostly = {
 	.name		= EBT_ARPREPLY_TARGET,
 	.target		= ebt_target_reply,
 	.check		= ebt_target_reply_check,
@@ -93,4 +95,5 @@ static void __exit ebt_arpreply_fini(void)
 
 module_init(ebt_arpreply_init);
 module_exit(ebt_arpreply_fini);
+MODULE_DESCRIPTION("Ebtables: ARP reply target");
 MODULE_LICENSE("GPL");