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- Fix memory leak when freeing dm zoned target device

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- Update dm-devel mailing list address in MAINTAINERS
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Merge tag 'for-6.6/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - Fix memory leak when freeing dm zoned target device

 - Update dm-devel mailing list address in MAINTAINERS

* tag 'for-6.6/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  MAINTAINERS: update the dm-devel mailing list
  dm zoned: free dmz->ddev array in dmz_put_zoned_devices
This commit is contained in:
Linus Torvalds 2023-10-07 10:17:48 -07:00
commit 4aef108a4d
2 changed files with 9 additions and 10 deletions
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4
MAINTAINERS
View File

@ -5984,8 +5984,8 @@ F: include/linux/devm-helpers.h
DEVICE-MAPPER (LVM)
M: Alasdair Kergon <agk@redhat.com>
M: Mike Snitzer <snitzer@kernel.org>
M: dm-devel@redhat.com
L: dm-devel@redhat.com
M: dm-devel@lists.linux.dev
L: dm-devel@lists.linux.dev
S: Maintained
W: http://sources.redhat.com/dm
Q: http://patchwork.kernel.org/project/dm-devel/list/

15
drivers/md/dm-zoned-target.c
View File

@ -748,17 +748,16 @@ err:
/*
* Cleanup zoned device information.
*/
static void dmz_put_zoned_device(struct dm_target *ti)
static void dmz_put_zoned_devices(struct dm_target *ti)
{
struct dmz_target *dmz = ti->private;
int i;
for (i = 0; i < dmz->nr_ddevs; i++) {
if (dmz->ddev[i]) {
for (i = 0; i < dmz->nr_ddevs; i++)
if (dmz->ddev[i])
dm_put_device(ti, dmz->ddev[i]);
dmz->ddev[i] = NULL;
}
}
kfree(dmz->ddev);
}
static int dmz_fixup_devices(struct dm_target *ti)
@ -948,7 +947,7 @@ err_bio:
err_meta:
dmz_dtr_metadata(dmz->metadata);
err_dev:
dmz_put_zoned_device(ti);
dmz_put_zoned_devices(ti);
err:
kfree(dmz->dev);
kfree(dmz);
@ -978,7 +977,7 @@ static void dmz_dtr(struct dm_target *ti)
bioset_exit(&dmz->bio_set);
dmz_put_zoned_device(ti);
dmz_put_zoned_devices(ti);
mutex_destroy(&dmz->chunk_lock);