releases/4.19.29/vsock-virtio-reset-connected-sockets-on-device-remov.patch

   1 From ab8aeac6699e399d9c4c4ea97e3e71315b6430b8 Mon Sep 17 00:00:00 2001
   2 From: Stefano Garzarella <sgarzare@redhat.com>
   3 Date: Fri, 1 Feb 2019 12:42:07 +0100
   4 Subject: vsock/virtio: reset connected sockets on device removal
   5
   6 [ Upstream commit 85965487abc540368393a15491e6e7fcd230039d ]
   7
   8 When the virtio transport device disappear, we should reset all
   9 connected sockets in order to inform the users.
  10
  11 Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
  12 Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
  13 Signed-off-by: David S. Miller <davem@davemloft.net>
  14 Signed-off-by: Sasha Levin <sashal@kernel.org>
  15 ---
  16  net/vmw_vsock/virtio_transport.c | 3 +++
  17  1 file changed, 3 insertions(+)
  18
  19 diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
  20 index 9dae54698737..15eb5d3d4750 100644
  21 --- a/net/vmw_vsock/virtio_transport.c
  22 +++ b/net/vmw_vsock/virtio_transport.c
  23 @@ -634,6 +634,9 @@ static void virtio_vsock_remove(struct virtio_device *vdev)
  24         flush_work(&vsock->event_work);
  25         flush_work(&vsock->send_pkt_work);
  26
  27 +       /* Reset all connected sockets when the device disappear */
  28 +       vsock_for_each_connected_socket(virtio_vsock_reset_sock);
  29 +
  30         vdev->config->reset(vdev);
  31
  32         mutex_lock(&vsock->rx_lock);
  33 --
  34 2.19.1
  35