From: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@intel.com>
Date: Thu, 24 Nov 2011 05:23:21 +0000 (+1100)
Subject: imsm: incorrect incremental behavior because of wrong index used
X-Git-Tag: mdadm-3.2.3~54
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9645010f4a9a9db3d43915d3cef9f4e8bb856b14;p=thirdparty%2Fmdadm.git

imsm: incorrect incremental behavior because of wrong index used

Incremental in some cases prematurely assembles degraded arrays due to
wrong index used in code which counts missing disks

Signed-off-by: Przemyslaw Czarnowski <przemyslaw.hawrylewicz.czarnowski@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
---

diff --git a/super-intel.c b/super-intel.c
index 360c4ccb..a0672bf3 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -2539,7 +2539,7 @@ static void getinfo_super_imsm(struct supertype *st, struct mdinfo *info, char *
 		 * (catches single-degraded vs double-degraded)
 		 */
 		for (j = 0; j < map->num_members; j++) {
-			__u32 ord = get_imsm_ord_tbl_ent(dev, i, 0);
+			__u32 ord = get_imsm_ord_tbl_ent(dev, j, 0);
 			__u32 idx = ord_to_idx(ord);
 
 			if (!(ord & IMSM_ORD_REBUILD) &&