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

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commit 457e32348d upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mikulas Patocka
2026-07-24 15:54:27 +02:00
committed by Greg Kroah-Hartman
parent 2d72613509
commit 031fce098b
1 changed files with 4 additions and 1 deletions
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drivers/md/dm-ioctl.c
+4 -1
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@@ -1742,8 +1742,11 @@ 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;