Add sg helpers for iterating over a scatterlist table

[safe/jmp/linux-2.6] / net / netfilter / xt_mac.c

diff --git a/net/netfilter/xt_mac.c b/net/netfilter/xt_mac.c
index d430d90..00490d7 100644 (file)
--- a/net/netfilter/xt_mac.c
+++ b/net/netfilter/xt_mac.c
@@ -24,7 +24,7 @@ MODULE_DESCRIPTION("iptables mac matching module");
 MODULE_ALIAS("ipt_mac");
 MODULE_ALIAS("ip6t_mac");
 
-static int
+static bool
 match(const struct sk_buff *skb,
       const struct net_device *in,
       const struct net_device *out,
@@ -32,19 +32,19 @@ match(const struct sk_buff *skb,
       const void *matchinfo,
       int offset,
       unsigned int protoff,
-      int *hotdrop)
+      bool *hotdrop)
 {
     const struct xt_mac_info *info = matchinfo;
 
     /* Is mac pointer valid? */
-    return (skb->mac.raw >= skb->head
-           && (skb->mac.raw + ETH_HLEN) <= skb->data
-           /* If so, compare... */
-           && ((!compare_ether_addr(eth_hdr(skb)->h_source, info->srcaddr))
-               ^ info->invert));
+    return skb_mac_header(skb) >= skb->head &&
+          skb_mac_header(skb) + ETH_HLEN <= skb->data
+          /* If so, compare... */
+          && ((!compare_ether_addr(eth_hdr(skb)->h_source, info->srcaddr))
+               ^ info->invert);
 }
 
-static struct xt_match xt_mac_match[] = {
+static struct xt_match xt_mac_match[] __read_mostly = {
        {
                .name           = "mac",
                .family         = AF_INET,