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Re: [Qemu-trivial] [PATCH] virtio: Fix return value for dummy function v
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-trivial] [PATCH] virtio: Fix return value for dummy function vhost_net_virtqueue_pending |
Date: |
Wed, 25 Dec 2013 17:18:34 +0200 |
On Sun, Dec 22, 2013 at 03:51:22PM +0100, Stefan Weil wrote:
> cgcc complains that -ENOSYS is not a good value for 'bool'.
>
> A dummy virtio will never have pending queue entries, so let us return
> false.
>
> Signed-off-by: Stefan Weil <address@hidden>
Applied, thanks.
> ---
>
> Could we also use g_assert_not_reached or hw_error in those dummy functions?
>
> Regards
> Stefan
I'd go for g_assert_not_reached normally - it's an internal
bug if this is called since init stub fails.
Or leave it as is - it's an unusual configuration.
> hw/net/vhost_net.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
> index 006576d..854997d 100644
> --- a/hw/net/vhost_net.c
> +++ b/hw/net/vhost_net.c
> @@ -321,7 +321,7 @@ void vhost_net_ack_features(struct vhost_net *net,
> unsigned features)
>
> bool vhost_net_virtqueue_pending(VHostNetState *net, int idx)
> {
> - return -ENOSYS;
> + return false;
> }
>
> void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev,
> --
> 1.7.10.4