From: Mike Snitzer <snitzer@redhat.com>
Cleanup the shadow table before destroying the transaction manager.
Reference: leak was identified with kmemleak when running
test_discard_random_sectors in the thinp-test-suite.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
drivers/md/persistent-data/dm-transaction-manager.c | 3 +++
1 file changed, 3 insertions(+)
Index: linux-3.5-rc5/drivers/md/persistent-data/dm-transaction-manager.c
===================================================================
--- linux-3.5-rc5.orig/drivers/md/persistent-data/dm-transaction-manager.c
+++ linux-3.5-rc5/drivers/md/persistent-data/dm-transaction-manager.c
@@ -138,6 +138,9 @@ EXPORT_SYMBOL_GPL(dm_tm_create_non_block
void dm_tm_destroy(struct dm_transaction_manager *tm)
{
+ if (!tm->is_clone)
+ wipe_shadow_table(tm);
+
kfree(tm);
}
EXPORT_SYMBOL_GPL(dm_tm_destroy);