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

neilbrown · neilbrown · commit 1ca5c8e0c749 · 2014-01-21T09:40:02.000+11:00
'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 &lt;neilb@suse.de&gt;
diff --git 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);

Original file line number	Diff line number	Diff line change
`@@ -5210,6 +5210,8 @@ static int create_array(struct supertype *st, int dev_idx)`
`5210`	`5210`	`int idx = get_imsm_disk_idx(dev, i, MAP_X);`
`5211`	`5211`
`5212`	`5212`	`disk = get_imsm_disk(super, idx);`
	`5213`	`+ if (!disk)`
	`5214`	`+ disk = get_imsm_missing(super, idx);`
`5213`	`5215`	`serialcpy(inf[i].serial, disk->serial);`
`5214`	`5216`	`}`
`5215`	`5217`	`append_metadata_update(st, u, len);`