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 360f2b98f62b3eaf946d3420e816c822bbe9e37e..8b3eb41d3eef6e93ebf6fd743706d80abf35cfd8 100644 (file)
--- 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;
        }