diff options
Diffstat (limited to 'net/ipv4/arp.c')
| -rw-r--r-- | net/ipv4/arp.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c index 8e17f65f4002..69e80bd9774a 100644 --- a/net/ipv4/arp.c +++ b/net/ipv4/arp.c @@ -570,14 +570,13 @@ struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip, * Allocate a buffer */ - skb = alloc_skb(sizeof(struct arphdr)+ 2*(dev->addr_len+4) - + LL_RESERVED_SPACE(dev), GFP_ATOMIC); + skb = alloc_skb(arp_hdr_len(dev) + LL_RESERVED_SPACE(dev), GFP_ATOMIC); if (skb == NULL) return NULL; skb_reserve(skb, LL_RESERVED_SPACE(dev)); skb_reset_network_header(skb); - arp = (struct arphdr *) skb_put(skb,sizeof(struct arphdr) + 2*(dev->addr_len+4)); + arp = (struct arphdr *) skb_put(skb, arp_hdr_len(dev)); skb->dev = dev; skb->protocol = htons(ETH_P_ARP); if (src_hw == NULL) @@ -916,9 +915,7 @@ static int arp_rcv(struct sk_buff *skb, struct net_device *dev, goto freeskb; /* ARP header, plus 2 device addresses, plus 2 IP addresses. */ - if (!pskb_may_pull(skb, (sizeof(struct arphdr) + - (2 * dev->addr_len) + - (2 * sizeof(u32))))) + if (!pskb_may_pull(skb, arp_hdr_len(dev))) goto freeskb; arp = arp_hdr(skb); |