diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index 7cf48aeb6f14..62aece1bb8ec 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -748,7 +748,6 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
 	if (test_bit(BTRFS_DEV_STATE_WRITEABLE, &src_device->dev_state))
 		btrfs_scratch_superblocks(fs_info, src_device->bdev,
 					  src_device->name->str);
-	btrfs_rm_dev_replace_free_srcdev(src_device);
 
 	/* write back the superblocks */
 	trans = btrfs_start_transaction(root, 0);
@@ -757,6 +756,8 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
 
 	mutex_unlock(&dev_replace->lock_finishing_cancel_unmount);
 
+	btrfs_rm_dev_replace_free_srcdev(src_device);
+
 	return 0;
 }
 
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 01ebdb69fbdb..1997a7d67f22 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -2224,6 +2224,8 @@ void btrfs_rm_dev_replace_free_srcdev(struct btrfs_device *srcdev)
 	struct btrfs_fs_info *fs_info = srcdev->fs_info;
 	struct btrfs_fs_devices *fs_devices = srcdev->fs_devices;
 
+	mutex_lock(&uuid_mutex);
+
 	btrfs_close_bdev(srcdev);
 	synchronize_rcu();
 	btrfs_free_device(srcdev);
@@ -2252,6 +2254,7 @@ void btrfs_rm_dev_replace_free_srcdev(struct btrfs_device *srcdev)
 		close_fs_devices(fs_devices);
 		free_fs_devices(fs_devices);
 	}
+	mutex_unlock(&uuid_mutex);
 }
 
 void btrfs_destroy_dev_replace_tgtdev(struct btrfs_device *tgtdev)