From: NeilBrown <neilb@suse.de>
Date: Tue, 13 Mar 2012 00:21:18 +0000 (+1100)
Subject: md/raid5: make sure reshape_position is cleared on error path.
X-Git-Tag: firefly_0821_release~3680^2~3308^2~21
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=1e3fa9bd5061778fb5cf4648e4e8321e8cbbb95b;p=firefly-linux-kernel-4.4.55.git

md/raid5: make sure reshape_position is cleared on error path.

Leaving a valid reshape_position value in place could be confusing.

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

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 360f2b98f62b..8b3eb41d3eef 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5592,6 +5592,7 @@ static int raid5_start_reshape(struct mddev *mddev)
 		spin_lock_irq(&conf->device_lock);
 		mddev->raid_disks = conf->raid_disks = conf->previous_raid_disks;
 		conf->reshape_progress = MaxSector;
+		mddev->reshape_position = MaxSector;
 		spin_unlock_irq(&conf->device_lock);
 		return -EAGAIN;
 	}