Commit 650266ac authored by Dan Carpenter's avatar Dan Carpenter Committed by Mikulas Patocka
Browse files

dm: add missing unlock on in dm_keyslot_evict() 



We need to call dm_put_live_table() even if dm_get_live_table() returns
NULL.

Fixes: 9355a9eb ("dm: support key eviction from keyslot managers of underlying devices")
Cc: stable@vger.kernel.org	# v5.12+
Signed-off-by: default avatarDan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: default avatarMikulas Patocka <mpatocka@redhat.com>
parent 5a2a6c42

drivers/md/dm-table.c

+2 −1
Original line number Diff line number Diff line
@@ -1173,7 +1173,7 @@ static int dm_keyslot_evict(struct blk_crypto_profile *profile, 


	t = dm_get_live_table(md, &srcu_idx);

	if (!t)

		return 0;

		goto put_live_table;



	for (unsigned int i = 0; i < t->num_targets; i++) {

		struct dm_target *ti = dm_table_get_target(t, i);
@@ -1184,6 +1184,7 @@ static int dm_keyslot_evict(struct blk_crypto_profile *profile, 
					  (void *)key);

	}



put_live_table:

	dm_put_live_table(md, srcu_idx);

	return 0;

}