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authorArnaldo Carvalho de Melo <acme@redhat.com>2007-03-13 13:59:32 -0300
committerDavid S. Miller <davem@sunset.davemloft.net>2007-04-25 22:25:19 -0700
commit2c0fd387b00a6758550b5ca1aae4408374483fe7 (patch)
treee6bd255fb77d476424345c7864f6ee14cb0d1ddc /net/sctp/input.c
parent967b05f64e27d04a4c8879addd0e1c52137e2c9e (diff)
downloadop-kernel-dev-2c0fd387b00a6758550b5ca1aae4408374483fe7.zip
op-kernel-dev-2c0fd387b00a6758550b5ca1aae4408374483fe7.tar.gz
[SCTP]: Introduce sctp_hdr()
For consistency with all the other skb->h.raw accessors. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/input.c')
-rw-r--r--net/sctp/input.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 9311b5d..3a322c5 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -79,14 +79,10 @@ static void sctp_add_backlog(struct sock *sk, struct sk_buff *skb);
/* Calculate the SCTP checksum of an SCTP packet. */
static inline int sctp_rcv_checksum(struct sk_buff *skb)
{
- struct sctphdr *sh;
- __u32 cmp, val;
struct sk_buff *list = skb_shinfo(skb)->frag_list;
-
- sh = (struct sctphdr *) skb->h.raw;
- cmp = ntohl(sh->checksum);
-
- val = sctp_start_cksum((__u8 *)sh, skb_headlen(skb));
+ struct sctphdr *sh = sctp_hdr(skb);
+ __u32 cmp = ntohl(sh->checksum);
+ __u32 val = sctp_start_cksum((__u8 *)sh, skb_headlen(skb));
for (; list; list = list->next)
val = sctp_update_cksum((__u8 *)list->data, skb_headlen(list),
@@ -138,7 +134,7 @@ int sctp_rcv(struct sk_buff *skb)
if (skb_linearize(skb))
goto discard_it;
- sh = (struct sctphdr *) skb->h.raw;
+ sh = sctp_hdr(skb);
/* Pull up the IP and SCTP headers. */
__skb_pull(skb, skb_transport_offset(skb));
@@ -905,7 +901,7 @@ static struct sctp_association *__sctp_rcv_init_lookup(struct sk_buff *skb,
struct sctp_association *asoc;
union sctp_addr addr;
union sctp_addr *paddr = &addr;
- struct sctphdr *sh = (struct sctphdr *) skb->h.raw;
+ struct sctphdr *sh = sctp_hdr(skb);
sctp_chunkhdr_t *ch;
union sctp_params params;
sctp_init_chunk_t *init;
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