dm-raid: fix variable in journal device check

commit db53805156f1e0aa6d059c0d3f9ac660d4ef3eb4 upstream.

Replace "rdev" with correct loop variable name "r".

Signed-off-by: Heinz Mauelshagen <[email protected]>
Cc: [email protected]
Fixes: 63c32ed ("dm raid: add raid4/5/6 journaling support")
Signed-off-by: Mikulas Patocka <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
(cherry picked from commit 2826ef05854dfbb0e097d268e579fe144cfb4138)
Signed-off-by: Vijayendra Suman <[email protected]>

Author: mauelsha

drivers/md/dm-raid.c

@@ -2381,7 +2381,7 @@ static int super_init_validation(struct raid_set *rs, struct md_rdev *rdev)
 	 */
 	sb_retrieve_failed_devices(sb, failed_devices);
 	rdev_for_each(r, mddev) {
-		if (test_bit(Journal, &rdev->flags) ||
+		if (test_bit(Journal, &r->flags) ||
 		    !r->sb_page)
 			continue;
 		sb2 = page_address(r->sb_page);