1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/md/md.c b/drivers/md/md.c
index cd6797b3cdf7..457b53863117 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -8882,7 +8882,9 @@ static void autostart_arrays(int part)
                 list_del(&node_detected_dev->list);
                 dev = node_detected_dev->dev;
                 kfree(node_detected_dev);
+                mutex_unlock(&detected_devices_mutex);
                 rdev = md_import_device(dev,0, 90);
+                mutex_lock(&detected_devices_mutex);
                 if (IS_ERR(rdev))
                         continue;