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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-30 05:04:53 +0200
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-03-30 05:04:53 +0200
commit9ff9a26b786c35ee8d2a66222924a807ec851a9f (patch)
treedb432a17bccca1ca2c16907f0ee83ac449ed4012 /net/sctp/input.c
parentMerge commit 'kumar/next' into next (diff)
parentMerge branch 'bzip2-lzma-for-linus' of git://git.kernel.org/pub/scm/linux/ker... (diff)
downloadlinux-9ff9a26b786c35ee8d2a66222924a807ec851a9f.tar.xz
linux-9ff9a26b786c35ee8d2a66222924a807ec851a9f.zip
Merge commit 'origin/master' into next
Manual merge of: arch/powerpc/include/asm/elf.h drivers/i2c/busses/i2c-mpc.c
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));