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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>
This commit is contained in:
Wei Yongjun 2007-08-06 13:55:47 +08:00 committed by Vlad Yasevich
parent ab3e5e7b65
commit 8d614ade51
1 changed files with 1 additions and 1 deletions
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2
net/sctp/sm_make_chunk.c
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@ -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);