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authorXin Long <lucien.xin@gmail.com>2018-02-12 18:31:24 +0800
committerDavid S. Miller <davem@davemloft.net>2018-02-12 11:41:05 -0500
commitfb23403536eabe81ee90d32cb3051030b871d988 (patch)
tree767129a414f12e05abfc2d21601744bd40b57e31 /net/sctp
parent947820b9595aa99f73de033ddcfe4c729c903c75 (diff)
downloadlinux-fb23403536eabe81ee90d32cb3051030b871d988.tar.bz2
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: 94014e8d871a ("sctp: implement renege_events for sctp_stream_interleave") Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp')
-rw-r--r--net/sctp/stream_interleave.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/net/sctp/stream_interleave.c b/net/sctp/stream_interleave.c
index 8c7cf8f08711..86c26ec42979 100644
--- a/net/sctp/stream_interleave.c
+++ b/net/sctp/stream_interleave.c
@@ -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);