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Commit f550804a authored by Amit Shah's avatar Amit Shah Committed by Rusty Russell
Browse files

virtio: console: We support only one device at a time 



We support only one virtio_console device at a time. If multiple are
found, error out if one is already initialized.

Signed-off-by: default avatarAmit Shah <amit.shah@redhat.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent 1dff3996

drivers/char/virtio_console.c

+5 −0
Original line number Original line Diff line number Diff line
@@ -204,6 +204,11 @@ static int __devinit virtcons_probe(struct virtio_device *dev) 
	struct virtqueue *vqs[2];

	struct virtqueue *vqs[2];

	int err;

	int err;





	if (vdev) {

		dev_warn(&vdev->dev,

			 "Multiple virtio-console devices not supported yet\n");

		return -EEXIST;

	}

	vdev = dev;

	vdev = dev;





	/* This is the scratch page we use to receive console input */

	/* This is the scratch page we use to receive console input */