Commit 8d614ade authored by Wei Yongjun's avatar Wei Yongjun Committed by Vlad Yasevich
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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: default avatarWei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: default avatarVlad Yasevich <vladislav.yasevich@hp.com>
parent ab3e5e7b

net/sctp/sm_make_chunk.c

+1 −1
Original line number Diff line number Diff line
@@ -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);