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-rw-r--r--net/sctp/socket.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index b5321486fbed..465a9c8464f9 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4862,6 +4862,12 @@ int sctp_do_peeloff(struct sock *sk, sctp_assoc_t id, struct socket **sockp)
if (!asoc)
return -EINVAL;
+ /* If there is a thread waiting on more sndbuf space for
+ * sending on this asoc, it cannot be peeled.
+ */
+ if (waitqueue_active(&asoc->wait))
+ return -EBUSY;
+
/* An association cannot be branched off from an already peeled-off
* socket, nor is this supported for tcp style sockets.
*/
@@ -7599,8 +7605,6 @@ static int sctp_wait_for_sndbuf(struct sctp_association *asoc, long *timeo_p,
*/
release_sock(sk);
current_timeo = schedule_timeout(current_timeo);
- if (sk != asoc->base.sk)
- goto do_error;
lock_sock(sk);
*timeo_p = current_timeo;