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authorIngo Molnar <mingo@elte.hu>2009-03-28 23:24:12 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-28 23:24:12 +0100
commitd00ab2fdd4dc4361c97777bc1fef7234329d4659 (patch)
treeb8d8f98c1af633bbc1570b4270b39727737beebf /net/sctp/input.c
parentfutex: remove the pointer math from double_unlock_hb, fix (diff)
parentMerge branch 'percpu-cpumask-x86-for-linus-2' of git://git.kernel.org/pub/scm... (diff)
downloadlinux-d00ab2fdd4dc4361c97777bc1fef7234329d4659.tar.xz
linux-d00ab2fdd4dc4361c97777bc1fef7234329d4659.zip
Merge branch 'linus' into core/futexes
Diffstat (limited to 'net/sctp/input.c')
-rw-r--r--net/sctp/input.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 2e4a8646dbc3..d2e98803ffe3 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -83,14 +83,15 @@ static inline int sctp_rcv_checksum(struct sk_buff *skb)
{
struct sk_buff *list = skb_shinfo(skb)->frag_list;
struct sctphdr *sh = sctp_hdr(skb);
- __be32 cmp = sh->checksum;
- __be32 val = sctp_start_cksum((__u8 *)sh, skb_headlen(skb));
+ __le32 cmp = sh->checksum;
+ __le32 val;
+ __u32 tmp = sctp_start_cksum((__u8 *)sh, skb_headlen(skb));
for (; list; list = list->next)
- val = sctp_update_cksum((__u8 *)list->data, skb_headlen(list),
- val);
+ tmp = sctp_update_cksum((__u8 *)list->data, skb_headlen(list),
+ tmp);
- val = sctp_end_cksum(val);
+ val = sctp_end_cksum(tmp);
if (val != cmp) {
/* CRC failure, dump it. */
@@ -142,7 +143,8 @@ int sctp_rcv(struct sk_buff *skb)
__skb_pull(skb, skb_transport_offset(skb));
if (skb->len < sizeof(struct sctphdr))
goto discard_it;
- if (!skb_csum_unnecessary(skb) && sctp_rcv_checksum(skb) < 0)
+ if (!sctp_checksum_disable && !skb_csum_unnecessary(skb) &&
+ sctp_rcv_checksum(skb) < 0)
goto discard_it;
skb_pull(skb, sizeof(struct sctphdr));