Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband

[pandora-kernel.git] / net / ipv4 / netfilter / arpt_mangle.c

diff --git a/net/ipv4/netfilter/arpt_mangle.c b/net/ipv4/netfilter/arpt_mangle.c
index 0f2a953..6298d40 100644 (file)
--- a/net/ipv4/netfilter/arpt_mangle.c
+++ b/net/ipv4/netfilter/arpt_mangle.c
@@ -11,7 +11,7 @@ static unsigned int
 target(struct sk_buff **pskb,
        const struct net_device *in, const struct net_device *out,
        unsigned int hooknum, const struct xt_target *target,
-       const void *targinfo, void *userinfo)
+       const void *targinfo)
 {
        const struct arpt_mangle *mangle = targinfo;
        struct arphdr *arp;
@@ -30,35 +30,35 @@ target(struct sk_buff **pskb,
                *pskb = nskb;
        }
 
-       arp = (*pskb)->nh.arph;
-       arpptr = (*pskb)->nh.raw + sizeof(*arp);
+       arp = arp_hdr(*pskb);
+       arpptr = skb_network_header(*pskb) + sizeof(*arp);
        pln = arp->ar_pln;
        hln = arp->ar_hln;
        /* We assume that pln and hln were checked in the match */
        if (mangle->flags & ARPT_MANGLE_SDEV) {
                if (ARPT_DEV_ADDR_LEN_MAX < hln ||
-                  (arpptr + hln > (**pskb).tail))
+                  (arpptr + hln > skb_tail_pointer(*pskb)))
                        return NF_DROP;
                memcpy(arpptr, mangle->src_devaddr, hln);
        }
        arpptr += hln;
        if (mangle->flags & ARPT_MANGLE_SIP) {
                if (ARPT_MANGLE_ADDR_LEN_MAX < pln ||
-                  (arpptr + pln > (**pskb).tail))
+                  (arpptr + pln > skb_tail_pointer(*pskb)))
                        return NF_DROP;
                memcpy(arpptr, &mangle->u_s.src_ip, pln);
        }
        arpptr += pln;
        if (mangle->flags & ARPT_MANGLE_TDEV) {
                if (ARPT_DEV_ADDR_LEN_MAX < hln ||
-                  (arpptr + hln > (**pskb).tail))
+                  (arpptr + hln > skb_tail_pointer(*pskb)))
                        return NF_DROP;
                memcpy(arpptr, mangle->tgt_devaddr, hln);
        }
        arpptr += hln;
        if (mangle->flags & ARPT_MANGLE_TIP) {
                if (ARPT_MANGLE_ADDR_LEN_MAX < pln ||
-                  (arpptr + pln > (**pskb).tail))
+                  (arpptr + pln > skb_tail_pointer(*pskb)))
                        return NF_DROP;
                memcpy(arpptr, &mangle->u_t.tgt_ip, pln);
        }
@@ -67,7 +67,7 @@ target(struct sk_buff **pskb,
 
 static int
 checkentry(const char *tablename, const void *e, const struct xt_target *target,
-           void *targinfo, unsigned int targinfosize, unsigned int hook_mask)
+          void *targinfo, unsigned int hook_mask)
 {
        const struct arpt_mangle *mangle = targinfo;
 
@@ -89,7 +89,7 @@ static struct arpt_target arpt_mangle_reg = {
        .me             = THIS_MODULE,
 };
 
-static int __init init(void)
+static int __init arpt_mangle_init(void)
 {
        if (arpt_register_target(&arpt_mangle_reg))
                return -EINVAL;
@@ -97,10 +97,10 @@ static int __init init(void)
        return 0;
 }
 
-static void __exit fini(void)
+static void __exit arpt_mangle_fini(void)
 {
        arpt_unregister_target(&arpt_mangle_reg);
 }
 
-module_init(init);
-module_exit(fini);
+module_init(arpt_mangle_init);
+module_exit(arpt_mangle_fini);