diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-03-12 20:33:51 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-03-12 20:33:51 +0000 |
| commit | 8688a1a8637c6b833b9b70148809db4538352d2e (patch) | |
| tree | 7b5d6c2d83c8bd1686811501c6287a650c40751b /block/ioctl.c | |
| parent | 3afdb0f3528991de0833224f2dba60dc061e01fa (diff) | |
| parent | f91f9cd505f92e4227ffda7e5799a33d4f34bf36 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-tcc into devel-stable
Diffstat (limited to 'block/ioctl.c')
| -rw-r--r-- | block/ioctl.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/block/ioctl.c b/block/ioctl.c index 9049d460fa89..1124cd297263 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -294,9 +294,11 @@ int blkdev_ioctl(struct block_device *bdev, fmode_t mode, unsigned cmd, return -EINVAL; if (get_user(n, (int __user *) arg)) return -EFAULT; - if (!(mode & FMODE_EXCL) && - blkdev_get(bdev, mode | FMODE_EXCL, &bdev) < 0) - return -EBUSY; + if (!(mode & FMODE_EXCL)) { + bdgrab(bdev); + if (blkdev_get(bdev, mode | FMODE_EXCL, &bdev) < 0) + return -EBUSY; + } ret = set_blocksize(bdev, n); if (!(mode & FMODE_EXCL)) blkdev_put(bdev, mode | FMODE_EXCL); |