From 3b808a59ef6d86b09dd8e0bdf66024cae6ac0bf1 Mon Sep 17 00:00:00 2001
From: Ryan Vasquez <ryanv@esdemc.com>
Date: Mon, 19 Aug 2019 12:23:50 -0500
Subject: [PATCH] corrected the Callback function call in attach, minor type in
 the USBserial library

---
 usb/device/USBSerial/USBSerial.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usb/device/USBSerial/USBSerial.h b/usb/device/USBSerial/USBSerial.h
index b0bf2f18d7..a698174c53 100644
--- a/usb/device/USBSerial/USBSerial.h
+++ b/usb/device/USBSerial/USBSerial.h
@@ -150,7 +150,7 @@ public:
         USBCDC::lock();
 
         if ((mptr != NULL) && (tptr != NULL)) {
-            rx = mbed::Callback<void()>(mptr, tptr);
+            rx = mbed::Callback<void()>(tptr, mptr);
         }
 
         USBCDC::unlock();