diff --git a/drivers/media/rc/rc-ir-raw.c b/drivers/media/rc/rc-ir-raw.c
index 144304c94606..205ecc602e34 100644
--- a/drivers/media/rc/rc-ir-raw.c
+++ b/drivers/media/rc/rc-ir-raw.c
@@ -26,6 +26,7 @@ static LIST_HEAD(ir_raw_client_list);
 /* Used to handle IR raw handler extensions */
 static DEFINE_MUTEX(ir_raw_handler_lock);
 static LIST_HEAD(ir_raw_handler_list);
+static DEFINE_MUTEX(available_protocols_lock);
 static u64 available_protocols;
 
 static int ir_raw_event_thread(void *data)
@@ -234,9 +235,9 @@ u64
 ir_raw_get_allowed_protocols(void)
 {
 	u64 protocols;
-	mutex_lock(&ir_raw_handler_lock);
+	mutex_lock(&available_protocols_lock);
 	protocols = available_protocols;
-	mutex_unlock(&ir_raw_handler_lock);
+	mutex_unlock(&available_protocols_lock);
 	return protocols;
 }
 
@@ -330,7 +331,9 @@ int ir_raw_handler_register(struct ir_raw_handler *ir_raw_handler)
 	if (ir_raw_handler->raw_register)
 		list_for_each_entry(raw, &ir_raw_client_list, list)
 			ir_raw_handler->raw_register(raw->dev);
+	mutex_lock(&available_protocols_lock);
 	available_protocols |= ir_raw_handler->protocols;
+	mutex_unlock(&available_protocols_lock);
 	mutex_unlock(&ir_raw_handler_lock);
 
 	return 0;
@@ -349,7 +352,9 @@ void ir_raw_handler_unregister(struct ir_raw_handler *ir_raw_handler)
 		if (ir_raw_handler->raw_unregister)
 			ir_raw_handler->raw_unregister(raw->dev);
 	}
+	mutex_lock(&available_protocols_lock);
 	available_protocols &= ~protocols;
+	mutex_unlock(&available_protocols_lock);
 	mutex_unlock(&ir_raw_handler_lock);
 }
 EXPORT_SYMBOL(ir_raw_handler_unregister);