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path: root/drivers/s390/block/dasd_ioctl.c
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Diffstat (limited to 'drivers/s390/block/dasd_ioctl.c')
-rw-r--r--drivers/s390/block/dasd_ioctl.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index faaf5596e31c..cb6427fb9f3d 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -277,7 +277,7 @@ dasd_ioctl_format(struct block_device *bdev, void __user *argp)
dasd_put_device(base);
return -EFAULT;
}
- if (bdev != bdev->bd_contains) {
+ if (bdev_is_partition(bdev)) {
pr_warn("%s: The specified DASD is a partition and cannot be formatted\n",
dev_name(&base->cdev->dev));
dasd_put_device(base);
@@ -304,7 +304,7 @@ static int dasd_ioctl_check_format(struct block_device *bdev, void __user *argp)
base = dasd_device_from_gendisk(bdev->bd_disk);
if (!base)
return -ENODEV;
- if (bdev != bdev->bd_contains) {
+ if (bdev_is_partition(bdev)) {
pr_warn("%s: The specified DASD is a partition and cannot be checked\n",
dev_name(&base->cdev->dev));
rc = -EINVAL;
@@ -362,7 +362,7 @@ static int dasd_ioctl_release_space(struct block_device *bdev, void __user *argp
rc = -EROFS;
goto out_err;
}
- if (bdev != bdev->bd_contains) {
+ if (bdev_is_partition(bdev)) {
pr_warn("%s: The specified DASD is a partition and tracks cannot be released\n",
dev_name(&base->cdev->dev));
rc = -EINVAL;
@@ -540,7 +540,7 @@ dasd_ioctl_set_ro(struct block_device *bdev, void __user *argp)
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- if (bdev != bdev->bd_contains)
+ if (bdev_is_partition(bdev))
// ro setting is not allowed for partitions
return -EINVAL;
if (get_user(intval, (int __user *)argp))