From 73001792b29f080fcabc57f30d6030bedb2a24b0 Mon Sep 17 00:00:00 2001
From: Lubomir Rintel <lkundrak@v3.sk>
Date: Wed, 20 Jul 2016 21:14:10 +0200
Subject: [PATCH] Fix crash on early fail

Don't uninitialize libusb if it has not been initialized yet.

https://bugzilla.redhat.com/show_bug.cgi?id=1358472
---
 usb_modeswitch.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/usb_modeswitch.c b/usb_modeswitch.c
index cbb8c28..f9c8b2e 100644
--- a/usb_modeswitch.c
+++ b/usb_modeswitch.c
@@ -2021,7 +2021,8 @@ void close_all()
 		libusb_close(devh);
 	// libusb_exit will crash on Raspbian 7, crude protection
 #ifndef __ARMEL__
-	libusb_exit(NULL);
+	if (ctx)
+		libusb_exit(NULL);
 #endif
 	if (sysmode)
 		closelog();
-- 
2.7.4