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 <[email protected]>
---
 net/sctp/stream.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

This needs backporting to 5.1 and all later kernels.

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;
 }
-- 
2.25.1

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, 
UK
Registration No: 1397386 (Wales)

Reply via email to