diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2007-03-13 17:10:43 -0300 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:25:29 -0700 |
| commit | bd82393ca23324d103b21aae43160728da6e6c9c (patch) | |
| tree | c3795389947032eb8d79c269031232aa6293960e | |
| parent | 39b89160df691045d1449cbaef43c02084c7543a (diff) | |
[SK_BUFF]: More skb_reset_transport_header conversions
These are a bit more subtle, they are of this type:
- skb->h.raw = payload;
__skb_pull(skb, payload - skb->data);
+ skb_reset_transport_header(skb);
__skb_pull results in:
skb->data = skb->data + payload - skb->data;
skb->data = payload;
So after __skb_pull we have skb->data pointing to payload and we can
just call skb_reset_transport_header(skb), that will do:
skb->h.raw = payload;
The others are similar, allowing us to get rid of some more cases where a
pointer was being attributed to the layer headers.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/ipv4/ip_sockglue.c | 12 | ||||
| -rw-r--r-- | net/ipv6/datagram.c | 4 |
2 files changed, 9 insertions, 7 deletions
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index ccdc59df015..fcb35cd5ccf 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -278,10 +278,12 @@ void ip_icmp_error(struct sock *sk, struct sk_buff *skb, int err, skb_network_header(skb); serr->port = port; - skb->h.raw = payload; - if (!skb_pull(skb, payload - skb->data) || - sock_queue_err_skb(sk, skb)) - kfree_skb(skb); + if (skb_pull(skb, payload - skb->data) != NULL) { + skb_reset_transport_header(skb); + if (sock_queue_err_skb(sk, skb) == 0) + return; + } + kfree_skb(skb); } void ip_local_error(struct sock *sk, int err, __be32 daddr, __be16 port, u32 info) @@ -314,8 +316,8 @@ void ip_local_error(struct sock *sk, int err, __be32 daddr, __be16 port, u32 inf serr->addr_offset = (u8 *)&iph->daddr - skb_network_header(skb); serr->port = port; - skb->h.raw = skb->tail; __skb_pull(skb, skb->tail - skb->data); + skb_reset_transport_header(skb); if (sock_queue_err_skb(sk, skb)) kfree_skb(skb); diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index feba6b197fe..f16f4f0c581 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -231,8 +231,8 @@ void ipv6_icmp_error(struct sock *sk, struct sk_buff *skb, int err, skb_network_header(skb); serr->port = port; - skb->h.raw = payload; __skb_pull(skb, payload - skb->data); + skb_reset_transport_header(skb); if (sock_queue_err_skb(sk, skb)) kfree_skb(skb); @@ -268,8 +268,8 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi *fl, u32 info) serr->addr_offset = (u8 *)&iph->daddr - skb_network_header(skb); serr->port = fl->fl_ip_dport; - skb->h.raw = skb->tail; __skb_pull(skb, skb->tail - skb->data); + skb_reset_transport_header(skb); if (sock_queue_err_skb(sk, skb)) kfree_skb(skb); |