From: Mikulas Patocka <mpatocka@redhat.com>
Date: Thu, 9 Jul 2026 19:29:11 +0000 (+0200)
Subject: dm_early_create: fix freeing used table on dm_resume failure
X-Git-Tag: v7.2-rc3~11^2~9
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=366665416f20527ff7cad548a32d1ddf23195740;p=thirdparty%2Fkernel%2Fstable.git

dm_early_create: fix freeing used table on dm_resume failure

If dm_resume fails, the kernel attempts to free table with
dm_table_destroy, but the table was already instantiated with
dm_swap_table. This commit skips the call to dm_table_destroy in this
case.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Assisted-by: Claude:claude-opus-4.6
Fixes: 6bbc923dfcf5 ("dm: add support to directly boot to a mapped device")
Cc: stable@vger.kernel.org
---

diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index ac77dc0ca225..1fa8bf835be0 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -2473,7 +2473,7 @@ int __init dm_early_create(struct dm_ioctl *dmi,
 	/* resume device */
 	r = dm_resume(md);
 	if (r)
-		goto err_destroy_table;
+		goto err_hash_remove;
 
 	DMINFO("%s (%s) is ready", md->disk->disk_name, dmi->name);
 	dm_put(md);