fixup! ASoC: SOF: Use guard()/scoped_guard() for mutex locks where it makes sense

Looks like a jump over to the error handling path can confise the guard
system, use scoped_guard() in sof_client_dev_register().

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>

Author: ujfalusi

sound/soc/sof/sof-client.c

@@ -294,8 +294,8 @@ int sof_client_dev_register(struct snd_sof_dev *sdev, const char *name, u32 id,
 	}
 
 	/* add to list of SOF client devices */
-	guard(mutex)(&sdev->ipc_client_mutex);
-	list_add(&centry->list, &sdev->ipc_client_list);
+	scoped_guard(mutex, &sdev->ipc_client_mutex)
+		list_add(&centry->list, &sdev->ipc_client_list);
 
 	return 0;