usb: gadget: composite: USB_GET_CONFIGURATION must return 0 in unconfigured state.

Change-Id: I5212ca9990308d0c4ae6a55c60cba42d6b0e4fee
Signed-off-by: Oleg Matcovschi <olegmatcovsky@gmail.com>
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 42a948e..c9ae8bb 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1013,12 +1013,11 @@
 	case USB_REQ_GET_CONFIGURATION:
 		if (ctrl->bRequestType != USB_DIR_IN)
 			goto unknown;
-		if (cdev->config) {
+		if (cdev->config)
 			*(u8 *)req->buf = cdev->config->bConfigurationValue;
-			value = min(w_length, (u16) 1);
-		} else {
+		else
 			*(u8 *)req->buf = 0;
-		}
+		value = min(w_length, (u16) 1);
 		break;
 
 	/* function drivers must handle get/set altsetting; if there's