sctp: remove the useless check in sctp_renege_events

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: 94014e8d87 ("sctp: implement renege_events for sctp_stream_interleave")
Signed-off-by: Xin Long <[email protected]>
Acked-by: Marcelo Ricardo Leitner <[email protected]>
Acked-by: Neil Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Xin Long authored and David S. Miller committed 2018-02-12 11:41:05 -05:00
1 parent 947820b959
commit fb23403536
1 file changed
+2 -6
+2 -6
View File
@@ -954,12 +954,8 @@ 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);