Remove the 'if (chunk)' check in sctp_renege_events for idata process,
as all renege commands are generated in sctp_eat_data and it can't be
NULL.
The same thing we already did for common data in sctp_ulpq_renege.
Fixes: 94014e8d871a ("sctp: implement renege_events for sctp_stream_interleave")
Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx>
---
net/sctp/stream_interleave.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/net/sctp/stream_interleave.c b/net/sctp/stream_interleave.c
index c19fd42..65ac03b 100644
--- a/net/sctp/stream_interleave.c
+++ b/net/sctp/stream_interleave.c
@@ -955,12 +955,8 @@ static void sctp_renege_events(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
__u32 freed = 0;
__u16 needed;
- if (chunk) {
- needed = ntohs(chunk->chunk_hdr->length);
- needed -= sizeof(struct sctp_idata_chunk);
- } else {
- needed = SCTP_DEFAULT_MAXWINDOW;
- }
+ needed = ntohs(chunk->chunk_hdr->length) -
+ sizeof(struct sctp_idata_chunk);
if (skb_queue_empty(&asoc->base.sk->sk_receive_queue)) {
freed = sctp_ulpq_renege_list(ulpq, &ulpq->lobby, needed);
--
2.1.0
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