From b7a62c3e2558abb69a8cad0983e30daf511f00d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marco=20Trevisan=20=28Trevi=C3=B1o=29?= <mail@3v1n0.net>
Date: Tue, 26 Nov 2019 20:38:16 +0100
Subject: [PATCH 043/181] fp-device: Use an autopointer and steal the print
 when passed

Make it clearer that we're stealing the print when passing it away, instead
of just doing this silently.
---
 libfprint/fp-image-device.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/libfprint/fp-image-device.c b/libfprint/fp-image-device.c
index 692727b..e45b6a9 100644
--- a/libfprint/fp-image-device.c
+++ b/libfprint/fp-image-device.c
@@ -389,8 +389,8 @@ static void
 fpi_image_device_minutiae_detected (GObject *source_object, GAsyncResult *res, gpointer user_data)
 {
   g_autoptr(FpImage) image = FP_IMAGE (source_object);
+  g_autoptr(FpPrint) print = NULL;
   GError *error = NULL;
-  FpPrint *print = NULL;
   FpDevice *device = FP_DEVICE (user_data);
   FpImageDevicePrivate *priv;
   FpDeviceAction action;
@@ -443,7 +443,8 @@ fpi_image_device_minutiae_detected (GObject *source_object, GAsyncResult *res, g
           priv->enroll_stage += 1;
         }
 
-      fpi_device_enroll_progress (device, priv->enroll_stage, print, error);
+      fpi_device_enroll_progress (device, priv->enroll_stage,
+                                  g_steal_pointer (&print), error);
 
       if (priv->enroll_stage == IMG_ENROLL_STAGES)
         {
@@ -462,7 +463,7 @@ fpi_image_device_minutiae_detected (GObject *source_object, GAsyncResult *res, g
       else
         result = FPI_MATCH_ERROR;
 
-      fpi_device_verify_complete (device, result, print, error);
+      fpi_device_verify_complete (device, result, g_steal_pointer (&print), error);
       fp_image_device_deactivate (device);
     }
   else if (action == FP_DEVICE_ACTION_IDENTIFY)
@@ -483,7 +484,7 @@ fpi_image_device_minutiae_detected (GObject *source_object, GAsyncResult *res, g
             }
         }
 
-      fpi_device_identify_complete (device, result, print, error);
+      fpi_device_identify_complete (device, result, g_steal_pointer (&print), error);
       fp_image_device_deactivate (device);
     }
   else
-- 
2.24.1