Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-24 13:11:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

md: Fix integrity registration error when no devices are capable

Browse Source 
We incorrectly returned -EINVAL when none of the devices in the array
had an integrity profile.  This in turn prevented mdadm from starting
the metadevice.  Fix this so we only return errors on mismatched
profiles and memory allocation failures.

Reported-by: Giacomo Catenazzi <cate@cateee.net>
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Martin K. Petersen 2011-03-28 20:09:12 -04:00 committed by Linus Torvalds
parent 7de8e5737d
commit 89078d572e
1 changed files with 2 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/md/md.c
View File

@ -1777,12 +1777,6 @@ int md_integrity_register(mddev_t *mddev)
continue;
if (rdev->raid_disk < 0)
continue;
/*
* If at least one rdev is not integrity capable, we can not
* enable data integrity for the md device.
*/
if (!bdev_get_integrity(rdev->bdev))
return -EINVAL;
if (!reference) {
/* Use the first rdev as the reference */
reference = rdev;
@ -1793,6 +1787,8 @@ int md_integrity_register(mddev_t *mddev)
rdev->bdev->bd_disk) < 0)
return -EINVAL;
}
if (!reference || !bdev_get_integrity(reference->bdev))
return 0;
/*
* All component devices are integrity capable and have matching
* profiles, register the common profile for the md device.