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authorWei Yongjun <yjwei@cn.fujitsu.com>2007-08-06 13:55:47 +0800
committerVlad Yasevich <vladislav.yasevich@hp.com>2007-08-30 11:56:17 -0400
commit8d614ade511fef11f992d6a73e538d33b3b81f12 (patch)
treed003f0eaeae83af128991a9d3d5e0da76df5eda0
parentab3e5e7b65dde661f5eb86b445496c5967283333 (diff)
downloadblackbird-op-linux-8d614ade511fef11f992d6a73e538d33b3b81f12.tar.gz
blackbird-op-linux-8d614ade511fef11f992d6a73e538d33b3b81f12.zip
SCTP: Fix sctp_addto_chunk() to add pad with correct length
At function sctp_addto_chunk(), it do pad before add payload to chunk if chunk length is not 4-byte alignment. But it do pad with a bad length. This patch fixed this probleam. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
-rw-r--r--net/sctp/sm_make_chunk.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 2b1129a7a94a..93df833f34f4 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -1128,7 +1128,7 @@ void *sctp_addto_chunk(struct sctp_chunk *chunk, int len, const void *data)
void *target;
void *padding;
int chunklen = ntohs(chunk->chunk_hdr->length);
- int padlen = chunklen % 4;
+ int padlen = WORD_ROUND(chunklen) - chunklen;
padding = skb_put(chunk->skb, padlen);
target = skb_put(chunk->skb, len);
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