Re: [PATCH v2 4/8] drivers: use new capable_or functionality

[Jiri Slaby <jirislaby@xxxxxxxxxx>]

On 02. 05. 22, 18:00, Christian Göttsche wrote:
> Use the new added capable_or 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>
> ---

>   drivers/net/caif/caif_serial.c                   | 2 +-

For the above:
Reviewed-by: Jiri Slaby <jirislaby@xxxxxxxxxx>


>   7 files changed, 7 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/media/common/saa7146/saa7146_video.c b/drivers/media/common/saa7146/saa7146_video.c
> index 66215d9106a4..5eabc2e77cc2 100644
> --- a/drivers/media/common/saa7146/saa7146_video.c
> +++ b/drivers/media/common/saa7146/saa7146_video.c
> @@ -470,7 +470,7 @@ static int vidioc_s_fbuf(struct file *file, void *fh, const struct v4l2_framebuf
>   
>   	DEB_EE("VIDIOC_S_FBUF\n");
>   
> -	if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO))
> +	if (!capable_or(CAP_SYS_RAWIO, CAP_SYS_ADMIN))
>   		return -EPERM;
>   
>   	/* check args */
> diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
> index 5ca3d0cc653a..4143f380d44d 100644
> --- a/drivers/media/pci/bt8xx/bttv-driver.c
> +++ b/drivers/media/pci/bt8xx/bttv-driver.c
> @@ -2569,8 +2569,7 @@ static int bttv_s_fbuf(struct file *file, void *f,
>   	const struct bttv_format *fmt;
>   	int retval;
>   
> -	if (!capable(CAP_SYS_ADMIN) &&
> -		!capable(CAP_SYS_RAWIO))
> +	if (!capable_or(CAP_SYS_RAWIO, CAP_SYS_ADMIN))
>   		return -EPERM;
>   
>   	/* check args */
> diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
> index 48543ad3d595..684208ebfdbd 100644
> --- a/drivers/media/pci/saa7134/saa7134-video.c
> +++ b/drivers/media/pci/saa7134/saa7134-video.c
> @@ -1798,8 +1798,7 @@ static int saa7134_s_fbuf(struct file *file, void *f,
>   	struct saa7134_dev *dev = video_drvdata(file);
>   	struct saa7134_format *fmt;
>   
> -	if (!capable(CAP_SYS_ADMIN) &&
> -	   !capable(CAP_SYS_RAWIO))
> +	if (!capable_or(CAP_SYS_RAWIO, CAP_SYS_ADMIN))
>   		return -EPERM;
>   
>   	/* check args */
> diff --git a/drivers/media/platform/nxp/fsl-viu.c b/drivers/media/platform/nxp/fsl-viu.c
> index afc96f6db2a1..c5ed4c4a1587 100644
> --- a/drivers/media/platform/nxp/fsl-viu.c
> +++ b/drivers/media/platform/nxp/fsl-viu.c
> @@ -803,7 +803,7 @@ static int vidioc_s_fbuf(struct file *file, void *priv, const struct v4l2_frameb
>   	const struct v4l2_framebuffer *fb = arg;
>   	struct viu_fmt *fmt;
>   
> -	if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO))
> +	if (!capable_or(CAP_SYS_RAWIO, CAP_SYS_ADMIN))
>   		return -EPERM;
>   
>   	/* check args */
> diff --git a/drivers/media/test-drivers/vivid/vivid-vid-cap.c b/drivers/media/test-drivers/vivid/vivid-vid-cap.c
> index b9caa4b26209..a0cfcf6c22c4 100644
> --- a/drivers/media/test-drivers/vivid/vivid-vid-cap.c
> +++ b/drivers/media/test-drivers/vivid/vivid-vid-cap.c
> @@ -1253,7 +1253,7 @@ int vivid_vid_cap_s_fbuf(struct file *file, void *fh,
>   	if (dev->multiplanar)
>   		return -ENOTTY;
>   
> -	if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO))
> +	if (!capable_or(CAP_SYS_RAWIO, CAP_SYS_ADMIN))
>   		return -EPERM;
>   
>   	if (dev->overlay_cap_owner)
> diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c
> index 688075859ae4..f17b618d8858 100644
> --- a/drivers/net/caif/caif_serial.c
> +++ b/drivers/net/caif/caif_serial.c
> @@ -326,7 +326,7 @@ static int ldisc_open(struct tty_struct *tty)
>   	/* No write no play */
>   	if (tty->ops->write == NULL)
>   		return -EOPNOTSUPP;
> -	if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_TTY_CONFIG))
> +	if (!capable_or(CAP_SYS_TTY_CONFIG, CAP_SYS_ADMIN))
>   		return -EPERM;
>   
>   	/* release devices to avoid name collision */
> diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
> index 8410a25a65c1..9b5d22dd3e7b 100644
> --- a/drivers/s390/block/dasd_eckd.c
> +++ b/drivers/s390/block/dasd_eckd.c
> @@ -5319,7 +5319,7 @@ 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_or(CAP_SYS_RAWIO, CAP_SYS_ADMIN))
>   		return -EACCES;
>   	psf0 = psf1 = 0;
>   


--
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