Re: [PATCH v4 5/9] drivers: use new capable_any functionality

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On Thu, May 11, 2023 at 04:25:28PM +0200, Christian Göttsche wrote:
> Use the new added capable_any function in appropriate cases, where a
> task is required to have any of two capabilities.
> 
> Reorder CAP_SYS_ADMIN last.
> 
> Signed-off-by: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
> ---
> v4:
>    Additional usage in kfd_ioctl()
> v3:
>    rename to capable_any()
> ---
>  drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 3 +--
>  drivers/net/caif/caif_serial.c           | 2 +-
>  drivers/s390/block/dasd_eckd.c           | 2 +-
>  3 files changed, 3 insertions(+), 4 deletions(-)
...
> diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
> index ade1369fe5ed..67d1058bce1b 100644
> --- a/drivers/s390/block/dasd_eckd.c
> +++ b/drivers/s390/block/dasd_eckd.c
> @@ -5370,7 +5370,7 @@ static int dasd_symm_io(struct dasd_device *device, void __user *argp)
>  	char psf0, psf1;
>  	int rc;
>  
> -	if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO))
> +	if (!capable_any(CAP_SYS_RAWIO, CAP_SYS_ADMIN))
>  		return -EACCES;
>  	psf0 = psf1 = 0;

For s390 part:
Acked-by: Alexander Gordeev <agordeev@xxxxxxxxxxxxx>




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