Don't reject HOT_REMOVE_DISK request for an array that is not yet started.

There is really no need for this test here, and there are valid
cases for selectively removing devices from an array that
it not actually active.

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

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 45e255d4916f93a1626fa585bfbea4520408cbac..1442761ac98e178dae511e545d078d3f41717c69 100644 (file)
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -4300,9 +4300,6 @@ static int hot_remove_disk(mddev_t * mddev, dev_t dev)
        char b[BDEVNAME_SIZE];
        mdk_rdev_t *rdev;
 
-       if (!mddev->pers)
-               return -ENODEV;
-
        rdev = find_rdev(mddev, dev);
        if (!rdev)
                return -ENXIO;