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SubjectRe: [PATCH v3 4/8] drivers: use new capable_any functionality
Hi Christian,

Thank you for the patch.

On Wed, Jun 15, 2022 at 05:26:18PM +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@googlemail.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
> v3:
> rename to capable_any()
> ---
> drivers/media/common/saa7146/saa7146_video.c | 2 +-
> drivers/media/pci/bt8xx/bttv-driver.c | 3 +--
> drivers/media/pci/saa7134/saa7134-video.c | 3 +--
> drivers/media/platform/nxp/fsl-viu.c | 2 +-
> drivers/media/test-drivers/vivid/vivid-vid-cap.c | 2 +-
> drivers/net/caif/caif_serial.c | 2 +-
> drivers/s390/block/dasd_eckd.c | 2 +-
> 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 2296765079a4..f0d08935b096 100644
> --- a/drivers/media/common/saa7146/saa7146_video.c
> +++ b/drivers/media/common/saa7146/saa7146_video.c
> @@ -469,7 +469,7 @@ 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_any(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 d40b537f4e98..7098cff2ea51 100644
> --- a/drivers/media/pci/bt8xx/bttv-driver.c
> +++ b/drivers/media/pci/bt8xx/bttv-driver.c
> @@ -2567,8 +2567,7 @@ 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_any(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 4d8974c9fcc9..23104c04a9aa 100644
> --- a/drivers/media/pci/saa7134/saa7134-video.c
> +++ b/drivers/media/pci/saa7134/saa7134-video.c
> @@ -1797,8 +1797,7 @@ 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_any(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..81a90c113dc6 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_any(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..918913e47069 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_any(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..ca3f82a0e3a6 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_any(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 836838f7d686..66f6db7a11fc 100644
> --- a/drivers/s390/block/dasd_eckd.c
> +++ b/drivers/s390/block/dasd_eckd.c
> @@ -5330,7 +5330,7 @@ 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;
>

--
Regards,

Laurent Pinchart

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