diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/ioctl.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/block/ioctl.c b/block/ioctl.c index bd214cb37f2..14b7f2c1066 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -343,10 +343,11 @@ int blkdev_ioctl(struct inode *inode, struct file *file, unsigned cmd, return -EINVAL; if (get_user(n, (int __user *) arg)) return -EFAULT; - if (bd_claim(bdev, file) < 0) + if (!(mode & FMODE_EXCL) && bd_claim(bdev, &bdev) < 0) return -EBUSY; ret = set_blocksize(bdev, n); - bd_release(bdev); + if (!(mode & FMODE_EXCL)) + bd_release(bdev); return ret; case BLKPG: lock_kernel(); |