From 9a7d9b59c1adec1d6962a17767e63671f63a68d9 Mon Sep 17 00:00:00 2001
From: Ivan Grokhotkov <ivan@espressif.com>
Date: Fri, 14 Jan 2022 20:08:28 +0100
Subject: [PATCH] usb: mark global variable declared in header 'extern'

---
 components/usb/test/common/test_usb_mock_classes.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/usb/test/common/test_usb_mock_classes.h b/components/usb/test/common/test_usb_mock_classes.h
index b225a37517..f057670e46 100644
--- a/components/usb/test/common/test_usb_mock_classes.h
+++ b/components/usb/test/common/test_usb_mock_classes.h
@@ -21,7 +21,7 @@ extern "C" {
 
 // ---------------------------------------------------- MSC SCSI -------------------------------------------------------
 
-const char *MSC_CLIENT_TAG;
+extern const char *MSC_CLIENT_TAG;
 
 /*
 Note: The mock MSC SCSI tests requires that USB flash drive be connected. The flash drive should...