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

[Christian Göttsche]

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 <cgzo...@googlemail.com>
---
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 1b54a9aaae70..d21fb9d1556b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -2896,8 +2896,7 @@ 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 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 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;
 
-- 
2.40.1