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authorJorgen Hansen <jhansen@vmware.com>2016-09-26 23:59:53 -0700
committerDavid S. Miller <davem@davemloft.net>2016-09-27 07:59:25 -0400
commit1190cfdb1a19d89561ae51cff7d9c2ead24b3ebe (patch)
treec7c3e0042bd4ab2e75eb98a275788bd59cf1ac57 /net
parentbf1a85a8381a0f749aa321d7881b456b36eb398d (diff)
downloadlinux-stericsson-1190cfdb1a19d89561ae51cff7d9c2ead24b3ebe.tar.gz
VSOCK: Don't dec ack backlog twice for rejected connections
If a pending socket is marked as rejected, we will decrease the sk_ack_backlog twice. So don't decrement it for rejected sockets in vsock_pending_work(). Testing of the rejected socket path was done through code modifications. Reported-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Jorgen Hansen <jhansen@vmware.com> Reviewed-by: Adit Ranadive <aditr@vmware.com> Reviewed-by: Aditya Sarwade <asarwade@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/vmw_vsock/af_vsock.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 17dbbe64cd73..8a398b3fb532 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -465,6 +465,8 @@ void vsock_pending_work(struct work_struct *work)
if (vsock_is_pending(sk)) {
vsock_remove_pending(listener, sk);
+
+ listener->sk_ack_backlog--;
} else if (!vsk->rejected) {
/* We are not on the pending list and accept() did not reject
* us, so we must have been accepted by our user process. We
@@ -475,8 +477,6 @@ void vsock_pending_work(struct work_struct *work)
goto out;
}
- listener->sk_ack_backlog--;
-
/* We need to remove ourself from the global connected sockets list so
* incoming packets can't find this socket, and to reduce the reference
* count.
@@ -2010,5 +2010,5 @@ EXPORT_SYMBOL_GPL(vsock_core_get_transport);
MODULE_AUTHOR("VMware, Inc.");
MODULE_DESCRIPTION("VMware Virtual Socket Family");
-MODULE_VERSION("1.0.1.0-k");
+MODULE_VERSION("1.0.2.0-k");
MODULE_LICENSE("GPL v2");