VIRTIO_ID_MAX_NUM is the largest device ID plus 1. Therefore a device id cannot be greater or equal to VIRTIO_ID_MAX_NUM. Fix the comparison accordingly.
Fixes: 8fb49b4c7a82 ("dm: Add a new uclass driver for VirtIO transport devices") Signed-off-by: Vincent Stehlé vincent.stehle@laposte.net Cc: Simon Glass sjg@chromium.org Cc: Bin Meng bmeng.cn@gmail.com --- drivers/virtio/virtio-uclass.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/virtio/virtio-uclass.c b/drivers/virtio/virtio-uclass.c index cf2cfaef2cf..0379536c542 100644 --- a/drivers/virtio/virtio-uclass.c +++ b/drivers/virtio/virtio-uclass.c @@ -227,7 +227,7 @@ static int virtio_uclass_post_probe(struct udevice *udev) struct udevice *vdev; int ret;
- if (uc_priv->device > VIRTIO_ID_MAX_NUM) { + if (uc_priv->device >= VIRTIO_ID_MAX_NUM) { debug("(%s): virtio device ID %d exceeds maximum num\n", udev->name, uc_priv->device); return 0;