Re: [PATCH] virtio_balloon: Adjust label in virtballoon_probe

From: David Hildenbrand
Date: Mon Feb 17 2020 - 03:37:40 EST


On 16.02.20 01:40, Nathan Chancellor wrote:
> Clang warns when CONFIG_BALLOON_COMPACTION is unset:
>
> ../drivers/virtio/virtio_balloon.c:963:1: warning: unused label
> 'out_del_vqs' [-Wunused-label]
> out_del_vqs:
> ^~~~~~~~~~~~
> 1 warning generated.
>
> Move the label within the preprocessor block since it is only used when
> CONFIG_BALLOON_COMPACTION is set.
>
> Fixes: 1ad6f58ea936 ("virtio_balloon: Fix memory leaks on errors in virtballoon_probe()")
> Link: https://github.com/ClangBuiltLinux/linux/issues/886
> Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
> ---
> drivers/virtio/virtio_balloon.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
> index 7bfe365d9372..341458fd95ca 100644
> --- a/drivers/virtio/virtio_balloon.c
> +++ b/drivers/virtio/virtio_balloon.c
> @@ -959,8 +959,8 @@ static int virtballoon_probe(struct virtio_device *vdev)
> iput(vb->vb_dev_info.inode);
> out_kern_unmount:
> kern_unmount(balloon_mnt);
> -#endif
> out_del_vqs:
> +#endif
> vdev->config->del_vqs(vdev);
> out_free_vb:
> kfree(vb);
>

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

--
Thanks,

David / dhildenb