Inline deviceNodeExists and getDeviceNode in uORB DeviceMaster

This gives a small performance improvement

Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>

platforms/common/uORB/uORBDeviceMaster.cpp

@@ -459,34 +459,6 @@ uORB::DeviceNode *uORB::DeviceMaster::getDeviceNode(const char *nodepath)
 	return nullptr;
 }
 
-bool uORB::DeviceMaster::deviceNodeExists(ORB_ID id, const uint8_t instance)
-{
-	if ((id == ORB_ID::INVALID) || (instance > ORB_MULTI_MAX_INSTANCES - 1)) {
-		return false;
-	}
-
-	return _node_exists[instance][(uint8_t)id];
-}
-
-uORB::DeviceNode *uORB::DeviceMaster::getDeviceNode(const struct orb_metadata *meta, const uint8_t instance)
-{
-	if (meta == nullptr) {
-		return nullptr;
-	}
-
-	if (!deviceNodeExists(static_cast<ORB_ID>(meta->o_id), instance)) {
-		return nullptr;
-	}
-
-	lock();
-	uORB::DeviceNode *node = getDeviceNodeLocked(meta, instance);
-	unlock();
-
-	//We can safely return the node that can be used by any thread, because
-	//a DeviceNode never gets deleted.
-	return node;
-}
-
 uORB::DeviceNode *uORB::DeviceMaster::getDeviceNodeLocked(const struct orb_metadata *meta, const uint8_t instance)
 {
 	for (uORB::DeviceNode *node : _node_list) {

platforms/common/uORB/uORBDeviceMaster.hpp

@@ -72,9 +72,34 @@ public:
 	 * @return node if exists, nullptr otherwise
 	 */
 	uORB::DeviceNode *getDeviceNode(const char *node_name);
-	uORB::DeviceNode *getDeviceNode(const struct orb_metadata *meta, const uint8_t instance);
+	uORB::DeviceNode *getDeviceNode(const struct orb_metadata *meta, const uint8_t instance)
-
+	{
-	bool deviceNodeExists(ORB_ID id, const uint8_t instance);
+		if (meta == nullptr) {
+			return nullptr;
+		}
+
+		if (!deviceNodeExists(static_cast<ORB_ID>(meta->o_id), instance)) {
+			return nullptr;
+		}
+
+		lock();
+		uORB::DeviceNode *node = getDeviceNodeLocked(meta, instance);
+		unlock();
+
+		//We can safely return the node that can be used by any thread, because
+		//a DeviceNode never gets deleted.
+		return node;
+
+	}
+
+	bool deviceNodeExists(ORB_ID id, const uint8_t instance)
+	{
+		if ((id == ORB_ID::INVALID) || (instance > ORB_MULTI_MAX_INSTANCES - 1)) {
+			return false;
+		}
+
+		return _node_exists[instance][(uint8_t)id];
+	}
 
 	/**
 	 * Print statistics for each existing topic.