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 <amit.shah@xxxxxxxxxx>
---
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
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