[glib/glib-2-62: 4/5] gunixmounts: Remove pending sources when finalizing

[Sebastian Dröge <sdroege src gnome org>]

commit a69f233ec7ea34728816b2c556c29e4bfedc5916
Author: Ondrej Holy <oholy redhat com>
Date:   Mon Feb 17 11:20:17 2020 +0100

    gunixmounts: Remove pending sources when finalizing
    
    mtab_file_changed_id is not currently removed when finalizing, which
    could potentially lead to segfaults. Let's remove the source when
    finalizing to avoid this.

 gio/gunixmounts.c | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/gio/gunixmounts.c b/gio/gunixmounts.c
index 1f7077c11..1880d9926 100644
--- a/gio/gunixmounts.c
+++ b/gio/gunixmounts.c
@@ -1861,6 +1861,12 @@ mount_monitor_stop (void)
       g_object_unref (mtab_monitor);
     }
 
+  if (mtab_file_changed_id)
+    {
+      g_source_remove (mtab_file_changed_id);
+      mtab_file_changed_id = 0;
+    }
+
   g_list_free_full (mount_poller_mounts, (GDestroyNotify) g_unix_mount_free);
 }