diff options
author | Li Lingfeng <lilingfeng3@huawei.com> | 2023-08-03 15:17:11 +0800 |
---|---|---|
committer | Song Liu <song@kernel.org> | 2023-08-15 09:40:26 -0700 |
commit | 7eb8ff02c1df279bf7f7f29b866beb655a9eebe9 (patch) | |
tree | cb3020d5e092ac44bef479e32bb05730aeafbc06 /drivers/md/raid5.c | |
parent | 892da88d1cd93426e9c6d7717876ca705fe2b9fa (diff) |
md: Hold mddev->reconfig_mutex when trying to get mddev->sync_thread
Commit ba9d9f1a707f ("Revert "md: unlock mddev before reap sync_thread in
action_store"") removed the scenario of calling md_unregister_thread()
without holding mddev->reconfig_mutex, so add a lock holding check before
acquiring mddev->sync_thread by passing mdev to md_unregister_thread().
Signed-off-by: Li Lingfeng <lilingfeng3@huawei.com>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20230803071711.2546560-1-lilingfeng@huaweicloud.com
Signed-off-by: Song Liu <song@kernel.org>
Diffstat (limited to 'drivers/md/raid5.c')
-rw-r--r-- | drivers/md/raid5.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 32a87193bad7..4cb9c608ee19 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -8107,7 +8107,7 @@ static int raid5_run(struct mddev *mddev) return 0; abort: - md_unregister_thread(&mddev->thread); + md_unregister_thread(mddev, &mddev->thread); print_raid5_conf(conf); free_conf(conf); mddev->private = NULL; |