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| author | Jonathan Brassow <jbrassow@f14.redhat.com> | 2011-06-08 15:10:08 +1000 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2011-06-08 15:10:08 +1000 |
| commit | 629acb6abac0ef217ee579e14084af2ce7381dbc (patch) | |
| tree | 75963147cec3ff2e16aa775d103cb41706e503b0 | |
| parent | 59c5f46fbe01a00eedf54a23789634438bb80603 (diff) | |
| download | lwn-629acb6abac0ef217ee579e14084af2ce7381dbc.tar.gz lwn-629acb6abac0ef217ee579e14084af2ce7381dbc.zip | |
MD: no integrity register if no gendisk
Don't attempt md_integrity_register if there is no gendisk struct available.
When MD arrays are built via device-mapper, the gendisk structure is not
available via mddev.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
| -rw-r--r-- | drivers/md/md.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index aa640a85bb21..4ea02c634d33 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1781,8 +1781,8 @@ int md_integrity_register(mddev_t *mddev) if (list_empty(&mddev->disks)) return 0; /* nothing to do */ - if (blk_get_integrity(mddev->gendisk)) - return 0; /* already registered */ + if (!mddev->gendisk || blk_get_integrity(mddev->gendisk)) + return 0; /* shouldn't register, or already is */ list_for_each_entry(rdev, &mddev->disks, same_set) { /* skip spares and non-functional disks */ if (test_bit(Faulty, &rdev->flags)) |