[grilo-plugins] tracker: avoid warning messages when item being resolved is removed

[Juan A. Suarez Romero <jasuarez src gnome org>]

commit 56b7fc7d41a931de6dae3040acac1f21cda47912
Author: Lionel Landwerlin <lionel g landwerlin linux intel com>
Date:   Fri Mar 11 15:03:50 2011 +0000

    tracker: avoid warning messages when item being resolved is removed
    
    Signed-off-by: Lionel Landwerlin <lionel g landwerlin linux intel com>

 src/media/tracker/grl-tracker-media-api.c |   14 +++++++-------
 src/media/tracker/grl-tracker-metadata.c  |   16 ++++++++--------
 2 files changed, 15 insertions(+), 15 deletions(-)
---
diff --git a/src/media/tracker/grl-tracker-media-api.c b/src/media/tracker/grl-tracker-media-api.c
index 17060c7..b61fdd6 100644
--- a/src/media/tracker/grl-tracker-media-api.c
+++ b/src/media/tracker/grl-tracker-media-api.c
@@ -412,16 +412,16 @@ tracker_metadata_cb (GObject                    *source_object,
   }
 
 
-  tracker_sparql_cursor_next (cursor, NULL, NULL);
+  if (tracker_sparql_cursor_next (cursor, NULL, NULL)) {
+    /* Translate Sparql result into Grilo result */
+    for (col = 0 ; col < tracker_sparql_cursor_get_n_columns (cursor) ; col++) {
+      fill_grilo_media_from_sparql (GRL_TRACKER_MEDIA (ms->source),
+                                    ms->media, cursor, col);
+    }
 
-  /* Translate Sparql result into Grilo result */
-  for (col = 0 ; col < tracker_sparql_cursor_get_n_columns (cursor) ; col++) {
-    fill_grilo_media_from_sparql (GRL_TRACKER_MEDIA (ms->source),
-                                  ms->media, cursor, col);
+    ms->callback (ms->source, ms->media, ms->user_data, NULL);
   }
 
-  ms->callback (ms->source, ms->media, ms->user_data, NULL);
-
  end_operation:
   if (cursor)
     g_object_unref (G_OBJECT (cursor));
diff --git a/src/media/tracker/grl-tracker-metadata.c b/src/media/tracker/grl-tracker-metadata.c
index d9ff2ee..ef6b140 100644
--- a/src/media/tracker/grl-tracker-metadata.c
+++ b/src/media/tracker/grl-tracker-metadata.c
@@ -269,16 +269,16 @@ tracker_resolve_cb (GObject                      *source_object,
   }
 
 
-  tracker_sparql_cursor_next (cursor, NULL, NULL);
+  if (tracker_sparql_cursor_next (cursor, NULL, NULL)) {
+    /* Translate Sparql result into Grilo result */
+    for (col = 0 ; col < tracker_sparql_cursor_get_n_columns (cursor) ; col++) {
+      fill_grilo_media_from_sparql (GRL_TRACKER_METADATA (rs->source),
+                                    rs->media, cursor, col);
+    }
 
-  /* Translate Sparql result into Grilo result */
-  for (col = 0 ; col < tracker_sparql_cursor_get_n_columns (cursor) ; col++) {
-    fill_grilo_media_from_sparql (GRL_TRACKER_METADATA (rs->source),
-                                  rs->media, cursor, col);
+    rs->callback (rs->source, rs->media, rs->user_data, NULL);
   }
 
-  rs->callback (rs->source, rs->media, rs->user_data, NULL);
-
  end_operation:
   if (cursor)
     g_object_unref (G_OBJECT (cursor));