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authorIngo Molnar <mingo@kernel.org>2018-03-09 07:32:20 +0100
committerIngo Molnar <mingo@kernel.org>2018-03-09 07:32:20 +0100
commitfc4c5a3828bdba157f8ea406e1f4ceb75c13039c (patch)
treee3fc4601f914fa59e70c7534206cf5c2c6ba16d1 /net/sctp/stream_interleave.c
parent14a7405b2e814221a951bd7a76ce4a8d24c1b3be (diff)
parent1b88accf6a659c46d5c8e68912896f112bf882bb (diff)
downloadlinux-fc4c5a3828bdba157f8ea406e1f4ceb75c13039c.tar.bz2
Merge branch 'linus' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'net/sctp/stream_interleave.c')
-rw-r--r--net/sctp/stream_interleave.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/net/sctp/stream_interleave.c b/net/sctp/stream_interleave.c
index 8c7cf8f08711..d3764c181299 100644
--- a/net/sctp/stream_interleave.c
+++ b/net/sctp/stream_interleave.c
@@ -3,7 +3,8 @@
*
* This file is part of the SCTP kernel implementation
*
- * These functions manipulate sctp stream queue/scheduling.
+ * These functions implement sctp stream message interleaving, mostly
+ * including I-DATA and I-FORWARD-TSN chunks process.
*
* This SCTP implementation is free software;
* you can redistribute it and/or modify it under the terms of
@@ -954,12 +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);
@@ -971,9 +968,8 @@ static void sctp_renege_events(struct sctp_ulpq *ulpq, struct sctp_chunk *chunk,
needed);
}
- if (chunk && freed >= needed)
- if (sctp_ulpevent_idata(ulpq, chunk, gfp) <= 0)
- sctp_intl_start_pd(ulpq, gfp);
+ if (freed >= needed && sctp_ulpevent_idata(ulpq, chunk, gfp) <= 0)
+ sctp_intl_start_pd(ulpq, gfp);
sk_mem_reclaim(asoc->base.sk);
}