diff options
| -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 0b132ee2672e..5eff8e84cddf 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2591,7 +2591,7 @@ static void md_kick_rdev_from_array(struct md_rdev *rdev) list_del_rcu(&rdev->same_set); pr_debug("md: unbind<%pg>\n", rdev->bdev); mddev_destroy_serial_pool(rdev->mddev, rdev); - rdev->mddev = NULL; + WRITE_ONCE(rdev->mddev, NULL); sysfs_remove_link(&rdev->kobj, "block"); sysfs_put(rdev->sysfs_state); sysfs_put(rdev->sysfs_unack_badblocks); @@ -3664,7 +3664,7 @@ rdev_attr_store(struct kobject *kobj, struct attribute *attr, struct kernfs_node *kn = NULL; bool suspend = false; ssize_t rv; - struct mddev *mddev = rdev->mddev; + struct mddev *mddev = READ_ONCE(rdev->mddev); if (!entry->store) return -EIO; |