From: NeilBrown <neilb@suse.de>
Date: Mon, 20 Jan 2014 22:40:02 +0000 (+1100)
Subject: IMSM: don't crash when creating an array with missing devices.
X-Git-Tag: mdadm-3.3.1~77
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1ca5c8e0c74946f4fcd74e97c5f48fba482d9596;p=thirdparty%2Fmdadm.git

IMSM: don't crash when creating an array with missing devices.

'missing' devices are in a different list so when collection the
serial numbers of all devices we need to check both lists.

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

diff --git a/super-intel.c b/super-intel.c
index c103ffdd..f0a7ab5c 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -5210,6 +5210,8 @@ static int create_array(struct supertype *st, int dev_idx)
 		int idx = get_imsm_disk_idx(dev, i, MAP_X);
 
 		disk = get_imsm_disk(super, idx);
+		if (!disk)
+			disk = get_imsm_missing(super, idx);
 		serialcpy(inf[i].serial, disk->serial);
 	}
 	append_metadata_update(st, u, len);