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[SK_BUFF]: Use skb_reset_network_header in skb_push cases

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skb_push updates and returns skb->data, so we can just call
skb_reset_network_header after the call to skb_push.

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
2007-04-10 20:46:21 -07:00
committed by David S. Miller
parent c1d2bbe1cd
commit e2d1bca7e6
12 changed files with 34 additions and 15 deletions
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14
net/ipv6/ip6_output.c
View File

@@ -191,7 +191,9 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
ipv6_push_nfrag_opts(skb, opt, &proto, &first_hop);
}
hdr = skb->nh.ipv6h = (struct ipv6hdr*)skb_push(skb, sizeof(struct ipv6hdr));
skb_push(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
hdr = skb->nh.ipv6h;
/*
* Fill in the IPv6 header
@@ -626,7 +628,8 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
__skb_pull(skb, hlen);
fh = (struct frag_hdr*)__skb_push(skb, sizeof(struct frag_hdr));
skb->nh.raw = __skb_push(skb, hlen);
__skb_push(skb, hlen);
skb_reset_network_header(skb);
memcpy(skb->nh.raw, tmp_hdr, hlen);
ipv6_select_ident(skb, fh);
@@ -649,7 +652,8 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
frag->ip_summed = CHECKSUM_NONE;
frag->h.raw = frag->data;
fh = (struct frag_hdr*)__skb_push(frag, sizeof(struct frag_hdr));
frag->nh.raw = __skb_push(frag, hlen);
__skb_push(frag, hlen);
skb_reset_network_header(frag);
memcpy(frag->nh.raw, tmp_hdr, hlen);
offset += skb->len - hlen - sizeof(struct frag_hdr);
fh->nexthdr = nexthdr;
@@ -1346,7 +1350,9 @@ int ip6_push_pending_frames(struct sock *sk)
if (opt && opt->opt_nflen)
ipv6_push_nfrag_opts(skb, opt, &proto, &final_dst);
skb->nh.ipv6h = hdr = (struct ipv6hdr*) skb_push(skb, sizeof(struct ipv6hdr));
skb_push(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
hdr = skb->nh.ipv6h;
*(__be32*)hdr = fl->fl6_flowlabel |
htonl(0x60000000 | ((int)np->cork.tclass << 20));

3
net/ipv6/ip6_tunnel.c
View File

@@ -907,7 +907,8 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
init_tel_txopt(&opt, encap_limit);
ipv6_push_nfrag_opts(skb, &opt.ops, &proto, NULL);
}
skb->nh.raw = skb_push(skb, sizeof(struct ipv6hdr));
skb_push(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
ipv6h = skb->nh.ipv6h;
*(__be32*)ipv6h = fl->fl6_flowlabel | htonl(0x60000000);
dsfield = INET_ECN_encapsulate(0, dsfield);

3
net/ipv6/sit.c
View File

@@ -554,7 +554,8 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
}
skb->h.raw = skb->nh.raw;
skb->nh.raw = skb_push(skb, sizeof(struct iphdr));
skb_push(skb, sizeof(struct iphdr));
skb_reset_network_header(skb);
memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
IPCB(skb)->flags = 0;
dst_release(skb->dst);