diff mbox

[3/3] vfio-mdev: remove some dead code

Message ID 20170107063008.GC26959@elgon.mountain (mailing list archive)
State New, archived
Headers show

Commit Message

Dan Carpenter Jan. 7, 2017, 6:30 a.m. UTC
We set info.count to 1 in mtty_get_irq_info() so static checkers
complain that, "Why do we have impossible conditions?"  The answer is
that it seems to be left over dead code that can be safely removed.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

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Comments

Kirti Wankhede Jan. 9, 2017, 6:42 p.m. UTC | #1
CC += Alex.

I think I wrote some code and then removed it, but forgot to remove this
code. Thanks for cleaning up.

Reviewed by: Kirti Wankhede <kwankhede@nvidia.com>

Thanks,
Kirti

On 1/7/2017 12:00 PM, Dan Carpenter wrote:
> We set info.count to 1 in mtty_get_irq_info() so static checkers
> complain that, "Why do we have impossible conditions?"  The answer is
> that it seems to be left over dead code that can be safely removed.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> 
> diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c
> index 353666d68207..d6ddc31fa729 100644
> --- a/samples/vfio-mdev/mtty.c
> +++ b/samples/vfio-mdev/mtty.c
> @@ -1230,9 +1230,6 @@ static long mtty_ioctl(struct mdev_device *mdev, unsigned int cmd,
>  		if (ret)
>  			return ret;
>  
> -		if (info.count == -1)
> -			return -EINVAL;
> -
>  		if (copy_to_user((void __user *)arg, &info, minsz))
>  			return -EFAULT;
>  
> 
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diff mbox

Patch

diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c
index 353666d68207..d6ddc31fa729 100644
--- a/samples/vfio-mdev/mtty.c
+++ b/samples/vfio-mdev/mtty.c
@@ -1230,9 +1230,6 @@  static long mtty_ioctl(struct mdev_device *mdev, unsigned int cmd,
 		if (ret)
 			return ret;
 
-		if (info.count == -1)
-			return -EINVAL;
-
 		if (copy_to_user((void __user *)arg, &info, minsz))
 			return -EFAULT;