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Diffstat (limited to 'net/ipv4/igmp.c')
-rw-r--r--net/ipv4/igmp.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 8cedb2a2c9d..d17ad09a83e 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -314,7 +314,9 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
skb_reserve(skb, LL_RESERVED_SPACE(dev));
- skb->nh.iph = pip =(struct iphdr *)skb_put(skb, sizeof(struct iphdr)+4);
+ skb_reset_network_header(skb);
+ pip = skb->nh.iph;
+ skb_put(skb, sizeof(struct iphdr) + 4);
pip->version = 4;
pip->ihl = (sizeof(struct iphdr)+4)>>2;
@@ -664,7 +666,9 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
skb_reserve(skb, LL_RESERVED_SPACE(dev));
- skb->nh.iph = iph = (struct iphdr *)skb_put(skb, sizeof(struct iphdr)+4);
+ skb_reset_network_header(skb);
+ iph = skb->nh.iph;
+ skb_put(skb, sizeof(struct iphdr) + 4);
iph->version = 4;
iph->ihl = (sizeof(struct iphdr)+4)>>2;