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author | Linus Walleij <linus.walleij@linaro.org> | 2013-04-03 20:18:36 (GMT) |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2013-04-03 20:18:36 (GMT) |
commit | 6a7b3e970426f4bc2a8d52f81a4fda6595a9f052 (patch) | |
tree | 055765564c839e456fbe4c65c8cd2c4b00d731b7 /drivers/block/loop.c | |
parent | 661462f4c6d3c9ae0bac193c65936ebfac4c95b4 (diff) | |
parent | 07961ac7c0ee8b546658717034fe692fd12eefa9 (diff) | |
download | linux-fsl-qoriq-6a7b3e970426f4bc2a8d52f81a4fda6595a9f052.tar.xz |
Merge tag 'v3.9-rc5' into devel
Linux 3.9-rc5
Conflicts:
drivers/pinctrl/pinconf.c
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 747bb2a..fe5f640 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; |