diff mbox series

[05/10] drivers: use new capable_any functionality

Message ID 20240315113828.258005-5-cgzones@googlemail.com (mailing list archive)
State Not Applicable
Delegated to: Netdev Maintainers
Headers show
Series [01/10] capability: introduce new capable flag CAP_OPT_NOAUDIT_ONDENY | expand

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Commit Message

Christian Göttsche March 15, 2024, 11:37 a.m. UTC 
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>
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com> (s390 portion)
---
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(-)

Comments

Felix Kuehling March 15, 2024, 3:03 p.m. UTC | #1 
On 2024-03-15 7:37, 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>
> Acked-by: Alexander Gordeev <agordeev@linux.ibm.com> (s390 portion)

Acked-by: Felix Kuehling <felix.kuehling@amd.com> (amdkfd portion)


> ---
> 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/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
> index dfa8c69532d4..8c7ebca01c17 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
> @@ -3290,8 +3290,7 @@ static long kfd_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
>   	 * more priviledged access.
>   	 */
>   	if (unlikely(ioctl->flags & KFD_IOC_FLAG_CHECKPOINT_RESTORE)) {
> -		if (!capable(CAP_CHECKPOINT_RESTORE) &&
> -						!capable(CAP_SYS_ADMIN)) {
> +		if (!capable_any(CAP_CHECKPOINT_RESTORE, CAP_SYS_ADMIN)) {
>   			retcode = -EACCES;
>   			goto err_i1;
>   		}
> diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c
> index ed3a589def6b..e908b9ce57dc 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 373c1a86c33e..8f9a5136306a 100644
> --- a/drivers/s390/block/dasd_eckd.c
> +++ b/drivers/s390/block/dasd_eckd.c
> @@ -5384,7 +5384,7 @@ 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;
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index dfa8c69532d4..8c7ebca01c17 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -3290,8 +3290,7 @@  static long kfd_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
 	 * more priviledged access.
 	 */
 	if (unlikely(ioctl->flags & KFD_IOC_FLAG_CHECKPOINT_RESTORE)) {
-		if (!capable(CAP_CHECKPOINT_RESTORE) &&
-						!capable(CAP_SYS_ADMIN)) {
+		if (!capable_any(CAP_CHECKPOINT_RESTORE, CAP_SYS_ADMIN)) {
 			retcode = -EACCES;
 			goto err_i1;
 		}
diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c
index ed3a589def6b..e908b9ce57dc 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 373c1a86c33e..8f9a5136306a 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -5384,7 +5384,7 @@  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;