diff options
Diffstat (limited to 'net/ipv4/igmp.c')
| -rw-r--r-- | net/ipv4/igmp.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 0687a7235a6..f511d03e243 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -315,7 +315,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size) skb_reserve(skb, LL_RESERVED_SPACE(dev)); skb_reset_network_header(skb); - pip = skb->nh.iph; + pip = ip_hdr(skb); skb_put(skb, sizeof(struct iphdr) + 4); pip->version = 4; @@ -345,16 +345,14 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size) static int igmpv3_sendpack(struct sk_buff *skb) { - struct iphdr *pip = skb->nh.iph; + struct iphdr *pip = ip_hdr(skb); struct igmphdr *pig = skb->h.igmph; - int iplen, igmplen; + const int iplen = skb->tail - skb->nh.raw; + const int igmplen = skb->tail - skb->h.raw; - iplen = skb->tail - (unsigned char *)skb->nh.iph; pip->tot_len = htons(iplen); ip_send_check(pip); - - igmplen = skb->tail - (unsigned char *)skb->h.igmph; - pig->csum = ip_compute_csum((void *)skb->h.igmph, igmplen); + pig->csum = ip_compute_csum(skb->h.igmph, igmplen); return NF_HOOK(PF_INET, NF_IP_LOCAL_OUT, skb, NULL, skb->dev, dst_output); @@ -667,7 +665,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc, skb_reserve(skb, LL_RESERVED_SPACE(dev)); skb_reset_network_header(skb); - iph = skb->nh.iph; + iph = ip_hdr(skb); skb_put(skb, sizeof(struct iphdr) + 4); iph->version = 4; |