linux-kernel - [PATCH v3 2/2] vsock/virtio: reset connected sockets on device removal

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Message-Id: <20190201114207.97217-3-sgarzare@redhat.com>
Date:   Fri,  1 Feb 2019 12:42:07 +0100
From:   Stefano Garzarella <sgarzare@...hat.com>
To:     Stefan Hajnoczi <stefanha@...hat.com>,
        "David S. Miller" <davem@...emloft.net>
Cc:     virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 2/2] vsock/virtio: reset connected sockets on device removal

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

Signed-off-by: Stefano Garzarella <sgarzare@...hat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@...hat.com>
---
 net/vmw_vsock/virtio_transport.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index 9dae54698737..15eb5d3d4750 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);
-- 
2.20.1