[tracker/class-signal] tracker-store: Cleanup tracker-writeback.c a little bit

[Philip Van Hoof <pvanhoof src gnome org>]

commit 4bbed4ede6022cd2e4f3706b086bbcc4d7182d1b
Author: Philip Van Hoof <philip codeminded be>
Date:   Fri Aug 27 13:28:09 2010 +0200

    tracker-store: Cleanup tracker-writeback.c a little bit

 src/tracker-store/tracker-writeback.c |   24 ++++++++++++++++++------
 1 files changed, 18 insertions(+), 6 deletions(-)
---
diff --git a/src/tracker-store/tracker-writeback.c b/src/tracker-store/tracker-writeback.c
index 4d58dbd..7a32bec 100644
--- a/src/tracker-store/tracker-writeback.c
+++ b/src/tracker-store/tracker-writeback.c
@@ -79,10 +79,7 @@ tracker_writeback_check (gint         graph_id,
 	g_return_if_fail (private != NULL);
 
 	if (g_hash_table_lookup (private->allowances, GINT_TO_POINTER (pred_id))) {
-		if (!private->ready_events || !private->pending_events) {
-			private->ready_events = g_hash_table_new_full (g_direct_hash, g_direct_equal,
-			                                               (GDestroyNotify) NULL,
-			                                               (GDestroyNotify) array_free);
+		if (!private->pending_events) {
 			private->pending_events = g_hash_table_new_full (g_direct_hash, g_direct_equal,
 			                                                 (GDestroyNotify) NULL,
 			                                                 (GDestroyNotify) NULL);
@@ -99,7 +96,9 @@ tracker_writeback_reset_pending ()
 {
 	g_return_if_fail (private != NULL);
 
-	g_hash_table_remove_all (private->pending_events);
+	if (private->pending_events) {
+		g_hash_table_remove_all (private->pending_events);
+	}
 }
 
 void
@@ -107,7 +106,10 @@ tracker_writeback_reset_ready ()
 {
 	g_return_if_fail (private != NULL);
 
-	g_hash_table_remove_all (private->ready_events);
+	if (private->ready_events) {
+		g_hash_table_unref (private->ready_events);
+		private->ready_events = NULL;
+	}
 }
 
 GHashTable *
@@ -124,6 +126,10 @@ free_private (gpointer user_data)
 	WritebackPrivate *private;
 
 	private = user_data;
+	if (private->ready_events)
+		g_hash_table_unref (private->ready_events);
+	if (private->pending_events)
+		g_hash_table_unref (private->pending_events);
 	g_hash_table_unref (private->allowances);
 	g_free (private);
 }
@@ -182,6 +188,12 @@ tracker_writeback_transact (void)
 	if (!private->pending_events)
 		return;
 
+	if (!private->ready_events) {
+		private->ready_events = g_hash_table_new_full (g_direct_hash, g_direct_equal,
+		                                               (GDestroyNotify) NULL,
+		                                               (GDestroyNotify) array_free);
+	}
+
 	g_hash_table_iter_init (&iter, private->pending_events);
 
 	while (g_hash_table_iter_next (&iter, &key, &value)) {