diff options
Diffstat (limited to 'block/ioctl.c')
| -rw-r--r-- | block/ioctl.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/block/ioctl.c b/block/ioctl.c index d77f5e280a6e..403f7d7e0c28 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -29,7 +29,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user if (bdev != bdev->bd_contains) return -EINVAL; partno = p.pno; - if (partno <= 0 || partno >= disk->minors) + if (partno <= 0 || partno > disk_max_parts(disk)) return -EINVAL; switch (a.op) { case BLKPG_ADD_PARTITION: @@ -47,7 +47,7 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user mutex_lock(&bdev->bd_mutex); /* overlap? */ - for (i = 0; i < disk->minors - 1; i++) { + for (i = 0; i < disk_max_parts(disk); i++) { struct hd_struct *s = disk->part[i]; if (!s) @@ -96,7 +96,7 @@ static int blkdev_reread_part(struct block_device *bdev) struct gendisk *disk = bdev->bd_disk; int res; - if (disk->minors == 1 || bdev != bdev->bd_contains) + if (!disk_max_parts(disk) || bdev != bdev->bd_contains) return -EINVAL; if (!capable(CAP_SYS_ADMIN)) return -EACCES; |