dm-verity: fix a possible NULL pointer dereference

Fix a possible NULL pointer dereference dm_verity_loadpin_is_bdev_trusted
if the device has no table.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Assisted-by: Claude:claude-opus-4-6
Fixes: b6c1c5745c ("dm: Add verity helpers for LoadPin")
Cc: stable@vger.kernel.org
This commit is contained in:
Mikulas Patocka 2026-07-09 21:35:06 +02:00
parent 72e9ec2fe3
commit e72b793ae4

View File

@ -70,7 +70,7 @@ bool dm_verity_loadpin_is_bdev_trusted(struct block_device *bdev)
table = dm_get_live_table(md, &srcu_idx);
if (table->num_targets != 1)
if (!table || table->num_targets != 1)
goto out;
ti = dm_table_get_target(table, 0);