glib r7200 - trunk/gio

[matthiasc svn gnome org]

Author: matthiasc
Date: Fri Jul 18 17:48:30 2008
New Revision: 7200
URL: http://svn.gnome.org/viewvc/glib?rev=7200&view=rev

Log:
Fix a segfault


Modified:
   trunk/gio/ChangeLog
   trunk/gio/gfile.c

Modified: trunk/gio/gfile.c
==============================================================================
--- trunk/gio/gfile.c	(original)
+++ trunk/gio/gfile.c	Fri Jul 18 17:48:30 2008
@@ -4198,6 +4198,18 @@
 
   iface = G_FILE_GET_IFACE (object);
 
+  if (iface->read_fn == NULL)
+    {
+      g_set_error_literal (error, G_IO_ERROR,
+                           G_IO_ERROR_NOT_SUPPORTED,
+                           _("Operation not supported"));
+
+      g_simple_async_result_set_from_error (res, error);
+      g_error_free (error);
+
+      return;
+    }
+  
   stream = iface->read_fn (G_FILE (object), cancellable, &error);
 
   if (stream == NULL)