From cca46c5e6923f0cc869c9263b0a89cb176997a04 Mon Sep 17 00:00:00 2001
From: Hans Petter Selasky <hselasky@FreeBSD.org>
Date: Thu, 30 Jan 2020 17:30:04 +0000
Subject: [PATCH] Add missing mutex unlock in failure case.

Differential Revision:	https://reviews.freebsd.org/D23430
Submitted by:	cem
Reported by:	Coverity
Coverity CID:	1368773
MFC after:	3 days
Sponsored by:	Mellanox Technologies
---
 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 96e3bf9a12ca..fb1c3d59e51f 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;
 		}