diff mbox series

net: sctp: Fix negotiation of the number of data streams.

Message ID 46079a126ad542d380add5f9ba6ffa85@AcuMS.aculab.com
State Superseded
Headers show
Series net: sctp: Fix negotiation of the number of data streams. | expand

Commit Message

David Laight Aug. 18, 2020, 2:36 p.m. UTC 
The number of streams offered by the remote system was being ignored.
Any data sent on those streams would get discarded by the remote system.

Fixes 2075e50caf5ea.

Signed-off-by: David Laight <david.laight@aculab.com>
---
 net/sctp/stream.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

This needs backporting to 5.1 and all later kernels.
diff mbox series

Patch

diff --git a/net/sctp/stream.c b/net/sctp/stream.c
index bda2536dd740..6dc95dcc0ff4 100644
--- a/net/sctp/stream.c
+++ b/net/sctp/stream.c
@@ -88,12 +88,13 @@  static int sctp_stream_alloc_out(struct sctp_stream *stream, __u16 outcnt,
 	int ret;
 
 	if (outcnt <= stream->outcnt)
-		return 0;
+		goto out;
 
 	ret = genradix_prealloc(&stream->out, outcnt, gfp);
 	if (ret)
 		return ret;
 
+out:
 	stream->outcnt = outcnt;
 	return 0;
 }
@@ -104,12 +105,13 @@  static int sctp_stream_alloc_in(struct sctp_stream *stream, __u16 incnt,
 	int ret;
 
 	if (incnt <= stream->incnt)
-		return 0;
+		goto out;
 
 	ret = genradix_prealloc(&stream->in, incnt, gfp);
 	if (ret)
 		return ret;
 
+out:
 	stream->incnt = incnt;
 	return 0;
 }