[tracker] libtracker-data: Check g_mkdir return value

[Carlos Garnacho <carlosg src gnome org>]

commit 5e075b248efe214d656759f822639cb517f03e61
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Dec 14 19:51:52 2016 +0100

    libtracker-data: Check g_mkdir return value
    
    And error out if it failed.

 src/libtracker-data/tracker-data-backup.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/src/libtracker-data/tracker-data-backup.c b/src/libtracker-data/tracker-data-backup.c
index 691b7b6..3947dde 100644
--- a/src/libtracker-data/tracker-data-backup.c
+++ b/src/libtracker-data/tracker-data-backup.c
@@ -312,7 +312,12 @@ dir_move_to_temp (const gchar *path)
        gchar *temp_dir;
 
        temp_dir = g_build_filename (path, "tmp", NULL);
-       g_mkdir (temp_dir, 0777);
+       if (g_mkdir (temp_dir, 0777) < 0) {
+               g_critical ("Could not move %s to temp directory: %m",
+                           path);
+               g_free (temp_dir);
+               return;
+       }
 
        /* ensure that no obsolete temporary files are around */
        dir_remove_files (temp_dir);