From: Stefano Garzarella <sgarzare@redhat.com>
Date: Fri, 1 Feb 2019 11:42:07 +0000 (+0100)
Subject: vsock/virtio: reset connected sockets on device removal
X-Git-Tag: v4.20.16~51
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a76b1cdb7291483fa86ab9babaa5161d7452c966;p=thirdparty%2Fkernel%2Fstable.git

vsock/virtio: reset connected sockets on device removal

[ Upstream commit 85965487abc540368393a15491e6e7fcd230039d ]

When the virtio transport device disappear, we should reset all
connected sockets in order to inform the users.

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 9dae54698737c..15eb5d3d47509 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -634,6 +634,9 @@ static void virtio_vsock_remove(struct virtio_device *vdev)
 	flush_work(&vsock->event_work);
 	flush_work(&vsock->send_pkt_work);
 
+	/* Reset all connected sockets when the device disappear */
+	vsock_for_each_connected_socket(virtio_vsock_reset_sock);
+
 	vdev->config->reset(vdev);
 
 	mutex_lock(&vsock->rx_lock);