From b3565b83e133bd9235e3189556b101b0ce68c41d Mon Sep 17 00:00:00 2001
From: Benjamin Berg <bberg@redhat.com>
Date: Thu, 7 May 2020 19:04:33 +0200
Subject: [PATCH] upekts: Only release USB interface on exit

The device is already beeing de-initialised from the verify/enroll
commands. Trying it again will result in a timeout error as it is not
responding properly at that point.
---
 libfprint/drivers/upekts.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

diff --git a/libfprint/drivers/upekts.c b/libfprint/drivers/upekts.c
index 76d2298..4540231 100644
--- a/libfprint/drivers/upekts.c
+++ b/libfprint/drivers/upekts.c
@@ -856,21 +856,14 @@ dev_init (FpDevice *dev)
   fpi_ssm_start (ssm, initsm_done);
 }
 
-static void
-deinitsm_done (FpiSsm *ssm, FpDevice *dev, GError *error)
-{
-  g_usb_device_release_interface (fpi_device_get_usb_device (dev), 0, 0, NULL);
-
-  fpi_device_close_complete (dev, error);
-}
-
 static void
 dev_exit (FpDevice *dev)
 {
-  FpiSsm *ssm;
+  GError *error = NULL;
 
-  ssm = fpi_ssm_new (dev, deinitsm_state_handler, DEINITSM_NUM_STATES);
-  fpi_ssm_start (ssm, deinitsm_done);
+  g_usb_device_release_interface (fpi_device_get_usb_device (dev), 0, 0, &error);
+
+  fpi_device_close_complete (dev, error);
 }
 
 static const unsigned char enroll_init[] = {