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authorLi Lingfeng <lilingfeng3@huawei.com>2023-08-03 10:17:11 +0300
committerSong Liu <song@kernel.org>2023-08-15 19:40:26 +0300
commit7eb8ff02c1df279bf7f7f29b866beb655a9eebe9 (patch)
treecb3020d5e092ac44bef479e32bb05730aeafbc06 /drivers/md/raid5.c
parent892da88d1cd93426e9c6d7717876ca705fe2b9fa (diff)
downloadlinux-7eb8ff02c1df279bf7f7f29b866beb655a9eebe9.tar.xz
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.c2
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;