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 6cbc08d82e7fdd3e053fef25b57f66e4abe2d6aa..f66a6010ae0757d94def0f88fc0884f50b287aa2 100644 (file)
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -541,6 +541,9 @@ 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);