From: NeilBrown <neilb@suse.de>
Date: Mon, 11 May 2009 05:47:11 +0000 (+1000)
Subject: mapfile - Fix off-by-one error in RebuildMap
X-Git-Tag: mdadm-3.0-rc1~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=60f8cb9b02af3c55708c44b40425f57282c8937c;p=thirdparty%2Fmdadm.git

mapfile - Fix off-by-one error in RebuildMap

"mdadm -Ir" would get the path for md0 wrong because it
went looking for mdp(-1) by mistake.

Signed-off-by NeilBrown <neilb@suse.de>
---

diff --git a/mapfile.c b/mapfile.c
index 3a26c6d0..112d3854 100644
--- a/mapfile.c
+++ b/mapfile.c
@@ -331,7 +331,7 @@ void RebuildMap(void)
 			if (ok != 0)
 				continue;
 			st->ss->getinfo_super(st, &info);
-			if (md->devnum > 0)
+			if (md->devnum >= 0)
 				path = map_dev(MD_MAJOR, md->devnum, 0);
 			else
 				path = map_dev(mdp, (-1-md->devnum)<< 6, 0);