diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2013-04-09 15:57:27 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2013-04-09 16:02:14 +0200 |
| commit | 71f6424023cb9fa381efc7237ca05926b2b1ca9a (patch) | |
| tree | 6c3c4a2110d0ff3d73c4bacaddb23b9295663695 /drivers/block/loop.c | |
| parent | 9bc128e16bb82c046d6972171de572affc5c4cbf (diff) | |
| parent | e933a1a12a02f42e0013cda87bba37ccb59efc47 (diff) | |
Merge branch 'mxs/cleanup' into next/multiplatform
This is a dependency for mxs/multiplatform
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Conflicts:
drivers/clocksource/Makefile
Diffstat (limited to 'drivers/block/loop.c')
| -rw-r--r-- | drivers/block/loop.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 747bb2af69dc..fe5f6403417f 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1044,12 +1044,29 @@ static int loop_clr_fd(struct loop_device *lo) lo->lo_state = Lo_unbound; /* This is safe: open() is still holding a reference. */ module_put(THIS_MODULE); - if (lo->lo_flags & LO_FLAGS_PARTSCAN && bdev) - ioctl_by_bdev(bdev, BLKRRPART, 0); lo->lo_flags = 0; if (!part_shift) lo->lo_disk->flags |= GENHD_FL_NO_PART_SCAN; mutex_unlock(&lo->lo_ctl_mutex); + + /* + * Remove all partitions, since BLKRRPART won't remove user + * added partitions when max_part=0 + */ + if (bdev) { + struct disk_part_iter piter; + struct hd_struct *part; + + mutex_lock_nested(&bdev->bd_mutex, 1); + invalidate_partition(bdev->bd_disk, 0); + disk_part_iter_init(&piter, bdev->bd_disk, + DISK_PITER_INCL_EMPTY); + while ((part = disk_part_iter_next(&piter))) + delete_partition(bdev->bd_disk, part->partno); + disk_part_iter_exit(&piter); + mutex_unlock(&bdev->bd_mutex); + } + /* * Need not hold lo_ctl_mutex to fput backing file. * Calling fput holding lo_ctl_mutex triggers a circular @@ -1623,6 +1640,7 @@ static int loop_add(struct loop_device **l, int i) goto out_free_dev; i = err; + err = -ENOMEM; lo->lo_queue = blk_alloc_queue(GFP_KERNEL); if (!lo->lo_queue) goto out_free_dev; |