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dm-ioctl: report an error if a device has no table

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When we send a message to a device that has no table, the return code was
not set. The code would return "2", which is not considered a valid return value.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Reviewed-by: Benjamin Marzinski <bmarzins@redhat.com>
This commit is contained in:
Mikulas Patocka
2026-05-11 13:04:16 +02:00
parent 5256a62f16
commit 457e32348d
1 changed files with 4 additions and 1 deletions
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5
drivers/md/dm-ioctl.c
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@@ -1938,8 +1938,11 @@ static int target_message(struct file *filp, struct dm_ioctl *param, size_t para
goto out_argv;
table = dm_get_live_table(md, &srcu_idx);
if (!table)
if (!table) {
DMERR("The device has no table.");
r = -EINVAL;
goto out_table;
}
if (dm_deleting_md(md)) {
r = -ENXIO;