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[SK_BUFF]: Use skb_reset_network_header where the skb_pull return was being used 

But only in the cases where its a newly allocated skb, i.e. one where skb->tail
is equal to skb->data, or just after skb_reserve, where this requirement is
maintained.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo 2007-03-10 18:40:59 -03:00 committed by David S. Miller
parent e2d1bca7e6
commit 7e28ecc282
5 changed files with 24 additions and 8 deletions
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12
net/appletalk/aarp.c
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@ -118,7 +118,9 @@ static void __aarp_send_query(struct aarp_entry *a)
/* Set up the buffer */
skb_reserve(skb, dev->hard_header_len + aarp_dl->header_length);
skb->nh.raw = skb->h.raw = skb_put(skb, sizeof(*eah));
skb_reset_network_header(skb);
skb->h.raw = skb->data;
skb_put(skb, sizeof(*eah));
skb->protocol = htons(ETH_P_ATALK);
skb->dev = dev;
eah = aarp_hdr(skb);
@ -163,7 +165,9 @@ static void aarp_send_reply(struct net_device *dev, struct atalk_addr *us,
/* Set up the buffer */
skb_reserve(skb, dev->hard_header_len + aarp_dl->header_length);
skb->nh.raw = skb->h.raw = skb_put(skb, sizeof(*eah));
skb_reset_network_header(skb);
skb->h.raw = skb->data;
skb_put(skb, sizeof(*eah));
skb->protocol = htons(ETH_P_ATALK);
skb->dev = dev;
eah = aarp_hdr(skb);
@ -212,7 +216,9 @@ static void aarp_send_probe(struct net_device *dev, struct atalk_addr *us)
/* Set up the buffer */
skb_reserve(skb, dev->hard_header_len + aarp_dl->header_length);
skb->nh.raw = skb->h.raw = skb_put(skb, sizeof(*eah));
skb_reset_network_header(skb);
skb->h.raw = skb->data;
skb_put(skb, sizeof(*eah));
skb->protocol = htons(ETH_P_ATALK);
skb->dev = dev;
eah = aarp_hdr(skb);

8
net/ipv4/igmp.c
View File

@ -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;

4
net/ipv4/raw.c
View File

@ -291,7 +291,9 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
skb->priority = sk->sk_priority;
skb->dst = dst_clone(&rt->u.dst);
skb->nh.iph = iph = (struct iphdr *)skb_put(skb, length);
skb_reset_network_header(skb);
iph = skb->nh.iph;
skb_put(skb, length);
skb->ip_summed = CHECKSUM_NONE;

4
net/ipx/af_ipx.c
View File

@ -576,7 +576,9 @@ static struct sk_buff *ipxitf_adjust_skbuff(struct ipx_interface *intrfc,
skb2 = alloc_skb(len, GFP_ATOMIC);
if (skb2) {
skb_reserve(skb2, out_offset);
skb2->nh.raw = skb2->h.raw = skb_put(skb2, skb->len);
skb_reset_network_header(skb2);
skb2->h.raw = skb2->data;
skb_put(skb2, skb->len);
memcpy(ipx_hdr(skb2), ipx_hdr(skb), skb->len);
memcpy(skb2->cb, skb->cb, sizeof(skb->cb));
}

4
net/ipx/ipx_route.c
View File

@ -203,7 +203,9 @@ int ipxrtr_route_packet(struct sock *sk, struct sockaddr_ipx *usipx,
skb->sk = sk;
/* Fill in IPX header */
skb->h.raw = skb->nh.raw = skb_put(skb, sizeof(struct ipxhdr));
skb_reset_network_header(skb);
skb->h.raw = skb->data;
skb_put(skb, sizeof(struct ipxhdr));
ipx = ipx_hdr(skb);
ipx->ipx_pktsize = htons(len + sizeof(struct ipxhdr));
IPX_SKB_CB(skb)->ipx_tctrl = 0;