We support only one virtio_console device at a time. If multiple are found, error out if one is already initialized.
Signed-off-by: Amit Shah <[email protected]> --- drivers/char/virtio_console.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 791be4e..bfc0abf 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -204,6 +204,11 @@ static int __devinit virtcons_probe(struct virtio_device *dev) struct virtqueue *vqs[2]; int err; + if (vdev) { + dev_warn(&vdev->dev, + "Multiple virtio-console devices not supported yet\n"); + return -EEXIST; + } vdev = dev; /* This is the scratch page we use to receive console input */ -- 1.6.2.5 _______________________________________________ Virtualization mailing list [email protected] https://lists.linux-foundation.org/mailman/listinfo/virtualization
