From 030fabefe874ed2f83306b3308f2417e58071f44 Mon Sep 17 00:00:00 2001
From: hselasky <hselasky@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Mon, 3 Feb 2020 11:05:59 +0000
Subject: [PATCH] MFC r357298: Add missing mutex unlock in failure case.

Differential Revision:	https://reviews.freebsd.org/D23430
Submitted by:	cem
Reported by:	Coverity
Coverity CID:	1368773
Sponsored by:	Mellanox Technologies


git-svn-id: svn://svn.freebsd.org/base/stable/10@357439 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 lib/libusb/libusb10_hotplug.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/libusb/libusb10_hotplug.c b/lib/libusb/libusb10_hotplug.c
index 96e3bf9a1..fb1c3d59e 100644
--- a/lib/libusb/libusb10_hotplug.c
+++ b/lib/libusb/libusb10_hotplug.c
@@ -123,8 +123,10 @@ libusb_hotplug_scan(void *arg)
 		TAILQ_INIT(&hotplug_devs);
 
 		if (ctx->hotplug_handler != NO_THREAD) {
-			if (libusb_hotplug_enumerate(ctx, &hotplug_devs) < 0)
+			if (libusb_hotplug_enumerate(ctx, &hotplug_devs) < 0) {
+				HOTPLUG_UNLOCK(ctx);
 				continue;
+			}
 		} else {
 			do_loop = 0;
 		}
-- 
2.42.0