From: Dean Camera <dean@fourwalledcubicle.com>
Date: Sat, 1 Sep 2012 22:55:56 +0000 (+0000)
Subject: Use an early-abort in the USB_DeviceTask() function rather than wrapping the entire... 
X-Git-Tag: LUFA-130303~61
X-Git-Url: http://git.linex4red.de/pub/USBasp.git/commitdiff_plain/b9f3ff39a41c5dea00a651b7efe75f0f15a71ed1

Use an early-abort in the USB_DeviceTask() function rather than wrapping the entire implementation in a conditional.
---

diff --git a/LUFA/Drivers/USB/Core/USBTask.c b/LUFA/Drivers/USB/Core/USBTask.c
index 71ae47d02..be14611aa 100644
--- a/LUFA/Drivers/USB/Core/USBTask.c
+++ b/LUFA/Drivers/USB/Core/USBTask.c
@@ -60,17 +60,17 @@ void USB_USBTask(void)
 #if defined(USB_CAN_BE_DEVICE)
 static void USB_DeviceTask(void)
 {
-	if (USB_DeviceState != DEVICE_STATE_Unattached)
-	{
-		uint8_t PrevEndpoint = Endpoint_GetCurrentEndpoint();
+	if (USB_DeviceState == DEVICE_STATE_Unattached)
+	  return;
 
-		Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
+	uint8_t PrevEndpoint = Endpoint_GetCurrentEndpoint();
 
-		if (Endpoint_IsSETUPReceived())
-		  USB_Device_ProcessControlRequest();
+	Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
 
-		Endpoint_SelectEndpoint(PrevEndpoint);
-	}
+	if (Endpoint_IsSETUPReceived())
+	  USB_Device_ProcessControlRequest();
+
+	Endpoint_SelectEndpoint(PrevEndpoint);
 }
 #endif