[mutter] MetaMonitorManagerKms: Don't leak tile property blob

[Jonas Ådahl <jadahl src gnome org>]

commit 4177d4f9f439225fdf96fb814c898ff9b8965578
Author: Jonas Ådahl <jadahl gmail com>
Date:   Thu Nov 24 17:27:08 2016 +0800

    MetaMonitorManagerKms: Don't leak tile property blob
    
    Also warn when we don't understand the property blob we got.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=777732

 src/backends/native/meta-monitor-manager-kms.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/src/backends/native/meta-monitor-manager-kms.c b/src/backends/native/meta-monitor-manager-kms.c
index fae195f..f9f53fb 100644
--- a/src/backends/native/meta-monitor-manager-kms.c
+++ b/src/backends/native/meta-monitor-manager-kms.c
@@ -368,9 +368,13 @@ output_get_tile_info (MetaMonitorManagerKms *manager_kms,
                     &output->tile_info.loc_v_tile,
                     &output->tile_info.tile_w,
                     &output->tile_info.tile_h);
+      drmModeFreePropertyBlob (tile_blob);
 
       if (ret != 8)
-        return FALSE;
+        {
+          meta_warning ("Couldn't understand output tile property blob\n");
+          return FALSE;
+        }
       return TRUE;
     }
   else