From 30693dfb6fe970dba195bf00a77d854e6fbc1ed0 Mon Sep 17 00:00:00 2001
From: NIIBE Yutaka <gniibe@fsij.org>
Date: Mon, 28 Sep 2020 15:55:44 +0900
Subject: [PATCH] scd: Internal CCID driver: Fix a failure path.

* scd/ccid-driver.c (ccid_open_usb_reader): On error, call
libusb_release_interface.

--

Backport master commit of:

	d561c936a217627bc29aac628a8d01f7003dcd28

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
---
 scd/ccid-driver.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scd/ccid-driver.c b/scd/ccid-driver.c
index c76695061..0ff3dc902 100644
--- a/scd/ccid-driver.c
+++ b/scd/ccid-driver.c
@@ -1739,6 +1739,7 @@ ccid_open_usb_reader (const char *spec_reader_name,
     {
       --ccid_usb_thread_is_alive;
       free (rid);
+      libusb_release_interface (idev, ifc_no);
       libusb_close (idev);
       free (*handle);
       *handle = NULL;