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-rw-r--r--drivers/md/md.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 2e38ef421d69..78be7811a89f 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -6247,6 +6247,8 @@ static void __md_stop(struct mddev *mddev)
void md_stop(struct mddev *mddev)
{
+ lockdep_assert_held(&mddev->reconfig_mutex);
+
/* stop the array and free an attached data structures.
* This is called from dm-raid
*/