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Subject[PATCH AUTOSEL 4.19 42/64] vsock/virtio: reset connected sockets on device removal
Date
From: Stefano Garzarella <sgarzare@redhat.com>

[ 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>
---
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 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);
--
2.19.1
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