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Commit 2de16a49 authored by Amit Shah's avatar Amit Shah Committed by Michael S. Tsirkin
Browse files

virtio: console: Check if port is valid in resize_console 



The console port could have been hot-unplugged. Check if it is valid
before working on it.

Signed-off-by: default avatarAmit Shah <amit.shah@redhat.com>
Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent ec64213c

drivers/char/virtio_console.c

+4 −0
Original line number Diff line number Diff line
@@ -681,6 +681,10 @@ static void resize_console(struct port *port) 
	struct virtio_device *vdev;

	struct winsize ws;



	/* The port could have been hot-unplugged */

	if (!port)

		return;



	vdev = port->portdev->vdev;

	if (virtio_has_feature(vdev, VIRTIO_CONSOLE_F_SIZE)) {

		vdev->config->get(vdev,