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dm: add missing unlock on in dm_keyslot_evict()

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commit 650266ac4c7230c89bcd1307acf5c9c92cfa85e2 upstream.

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

Fixes: 9355a9eb21 ("dm: support key eviction from keyslot managers of underlying devices")
Cc: stable@vger.kernel.org	# v5.12+
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter
2025-04-30 11:05:54 +03:00
committed by Greg Kroah-Hartman
parent 9c2dd8954d
commit 38433aa31b
1 changed files with 2 additions and 1 deletions
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3
drivers/md/dm-table.c
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@@ -1242,7 +1242,7 @@ 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);
@@ -1253,6 +1253,7 @@ static int dm_keyslot_evict(struct blk_crypto_profile *profile,
(void *)key);
}
put_live_table:
dm_put_live_table(md, srcu_idx);
return 0;
}