elan: Fix frames being leaked

==24440== 14,416 bytes in 2 blocks are possibly lost in loss record 9,233 of 9,261
==24440==    at 0x483980B: malloc (vg_replace_malloc.c:309)
==24440==    by 0x7846BB8: g_malloc (gmem.c:102)
==24440==    by 0x48A2ABC: elan_process_frame_thirds (elan.c:277)
==24440==    by 0x785FB37: g_slist_foreach (gslist.c:864)
==24440==    by 0x48A57EE: elan_submit_image (elan.c:320)
==24440==    by 0x48A57EE: capture_complete (elan.c:591)
==24440==    by 0x4880C9C: fpi_ssm_mark_completed (fpi-ssm.c:369)
==24440==    by 0x4881003: fpi_ssm_mark_failed (fpi-ssm.c:437)
==24440==    by 0x48A5424: elan_cmd_cb (elan.c:347)
==24440==    by 0x4882296: transfer_finish_cb (fpi-usb-transfer.c:351)
==24440==    by 0x79BFC68: g_task_return_now (gtask.c:1214)
==24440==    by 0x79BFCA8: complete_in_idle_cb (gtask.c:1228)
==24440==    by 0x78410BD: g_main_dispatch (gmain.c:3272)
==24440==    by 0x78410BD: g_main_context_dispatch (gmain.c:3937)

.gitlab-ci.yml

@@ -1,13 +1,22 @@
-image: registry.freedesktop.org/libfprint/libfprint/master:v1
+variables:
+  FEDORA_TAG: rawhide
+  FEDORA_VERSION: rawhide
+  FEDORA_IMAGE: "$CI_REGISTRY/libfprint/$CI_PROJECT_NAME/fedora/$FEDORA_VERSION:$FEDORA_TAG"
+  BUNDLE: "org.freedesktop.libfprint.Demo.flatpak"
+  LAST_ABI_BREAK: "056ea541ddc97f5806cffbd99a12dc87e4da3546"
+
+include:
+  - project: 'wayland/ci-templates'
+    ref: master
+    file: '/templates/fedora.yml'
+
 stages:
   - check-source
   - build
   - test
   - flatpack
 
-variables:
-  BUNDLE: "org.freedesktop.libfprint.Demo.flatpak"
-  LAST_ABI_BREAK: "056ea541ddc97f5806cffbd99a12dc87e4da3546"
+image: "$FEDORA_IMAGE"
 
 .build_one_driver_template: &build_one_driver
   script:
@@ -29,6 +38,9 @@ variables:
 
 build:
   stage: build
+  except:
+    variables:
+      - $CI_PIPELINE_SOURCE == "schedule"
   variables:
     driver: virtual_image
   <<: *build_one_driver
@@ -37,6 +49,9 @@ build:
 
 test:
   stage: test
+  except:
+    variables:
+      - $CI_PIPELINE_SOURCE == "schedule"
   script:
     - meson --werror -Ddrivers=all . _build
     - ninja -C _build
@@ -44,6 +59,9 @@ test:
 
 test_valgrind:
   stage: test
+  except:
+    variables:
+      - $CI_PIPELINE_SOURCE == "schedule"
   script:
     - meson -Ddrivers=all . _build
     - ninja -C _build
@@ -51,6 +69,9 @@ test_valgrind:
 
 test_indent:
   stage: check-source
+  except:
+    variables:
+      - $CI_PIPELINE_SOURCE == "schedule"
   script:
     - scripts/uncrustify.sh --check
 
@@ -80,6 +101,9 @@ test_indent:
 .flatpak_master_template: &flatpak_master
     image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:3.32
     stage: flatpack
+    except:
+      variables:
+        - $CI_PIPELINE_SOURCE == "schedule"
     variables:
         MANIFEST_PATH: "demo/org.freedesktop.libfprint.Demo.json"
         # From demo/org.freedesktop.libfprint.Demo.json
@@ -101,3 +125,37 @@ flatpak-manual master:
     except:
       - tags
       - master
+
+# CONTAINERS creation stage
+container_fedora_build:
+  extends: .fedora@container-build
+  only:
+    variables:
+      - $CI_PIPELINE_SOURCE == "schedule" && $CRON_TASK == "BUILD_CI_IMAGES"
+  variables:
+    GIT_STRATEGY: none # no need to pull the whole tree for rebuilding the image
+    # a list of packages to install
+    FEDORA_RPMS:
+      doxygen
+      flatpak-builder
+      gcc
+      gcc-c++
+      git
+      glib2-devel
+      glibc-devel
+      gobject-introspection-devel
+      gtk-doc
+      gtk3-devel
+      libabigail
+      libgusb-devel
+      libX11-devel
+      libXv-devel
+      meson
+      nss-devel
+      pixman-devel
+      python3-cairo
+      python3-gobject
+      systemd
+      umockdev
+      uncrustify
+      valgrind

.gitlab-ci/Dockerfile

@@ -1,36 +0,0 @@
-# Rebuild and push with
-#
-#  cd .gitlab-ci/
-#  docker build --no-cache -t registry.freedesktop.org/libfprint/libfprint/master:v1 .
-#  docker push registry.freedesktop.org/libfprint/libfprint/master:v1
-#
-
-FROM fedora:rawhide
-
-RUN dnf -y update && dnf -y upgrade && \
-  dnf -y install \
-         doxygen \
-         flatpak-builder \
-         gcc \
-         gcc-c++ \
-         git \
-         glib2-devel \
-         glibc-devel \
-         gobject-introspection-devel \
-         gtk-doc \
-         gtk3-devel \
-         libabigail \
-         libgusb-devel \
-         libX11-devel \
-         libXv-devel \
-         meson \
-         nss-devel \
-         pixman-devel \
-         python3-cairo \
-         python3-gobject \
-         systemd \
-         umockdev \
-         uncrustify \
-         valgrind \
-  && \
-  dnf clean all

libfprint/drivers/elan.c

@@ -320,6 +320,7 @@ elan_submit_image (FpImageDevice *dev)
   g_slist_foreach (raw_frames, (GFunc) self->process_frame, &frames);
   fpi_do_movement_estimation (&assembling_ctx, frames);
   img = fpi_assemble_frames (&assembling_ctx, frames);
+  g_slist_free_full (frames, g_free);
 
   fpi_image_device_image_captured (dev, img);
 }

libfprint/fpi-print.h

@@ -21,13 +21,13 @@ typedef enum {
 /**
  * FpiMatchResult:
  * @FPI_MATCH_ERROR: An error occured during matching
- * @FPI_MATCH_SUCCESS: The prints matched
  * @FPI_MATCH_FAIL: The prints did not match
+ * @FPI_MATCH_SUCCESS: The prints matched
  */
 typedef enum {
-  FPI_MATCH_ERROR = 0,
-  FPI_MATCH_SUCCESS,
+  FPI_MATCH_ERROR = -1, /* -1 for g_task_propagate_int */
   FPI_MATCH_FAIL,
+  FPI_MATCH_SUCCESS,
 } FpiMatchResult;
 
 void     fpi_print_add_print (FpPrint *print,