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block-5.7-2020-05-01

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Merge tag 'block-5.7-2020-05-01' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "A few fixes for this release:

   - NVMe pull request from Christoph, with a single fix for a double
     free in the namespace error handling.

   - Kill the bd_openers check in blk_drop_partitions(), fixing a
     regression in this merge window (Christoph)"

* tag 'block-5.7-2020-05-01' of git://git.kernel.dk/linux-block:
  block: remove the bd_openers checks in blk_drop_partitions
  nvme: prevent double free in nvme_alloc_ns() error handling
This commit is contained in:
Linus Torvalds 2020-05-01 11:13:36 -07:00
commit 052c467cb5
2 changed files with 3 additions and 1 deletions
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2
block/partitions/core.c
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@ -496,7 +496,7 @@ int blk_drop_partitions(struct gendisk *disk, struct block_device *bdev)
if (!disk_part_scan_enabled(disk))
return 0;
if (bdev->bd_part_count || bdev->bd_openers > 1)
if (bdev->bd_part_count)
return -EBUSY;
res = invalidate_partition(disk, 0);
if (res)

2
drivers/nvme/host/core.c
View File

@ -3642,6 +3642,8 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid)
return;
out_put_disk:
/* prevent double queue cleanup */
ns->disk->queue = NULL;
put_disk(ns->disk);
out_unlink_ns:
mutex_lock(&ctrl->subsys->lock);