diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/ioctl.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/block/ioctl.c b/block/ioctl.c index c722de0ef2ee..eb046aeede8a 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -43,12 +43,9 @@ static int blkpg_ioctl(struct block_device *bdev, struct blkpg_ioctl_arg __user || pstart < 0 || plength < 0) return -EINVAL; } - /* partition number in use? */ + mutex_lock(&bdev->bd_mutex); - if (disk->part[part - 1]) { - mutex_unlock(&bdev->bd_mutex); - return -EBUSY; - } + /* overlap? */ for (i = 0; i < disk->minors - 1; i++) { struct hd_struct *s = disk->part[i]; |