[gnome-documents] pdf-loader: accept a NULL cancellable

[Cosimo Cecchi <cosimoc src gnome org>]

commit b79c434fafc6eca4aa046ae077d15def679b60bf
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Sun Feb 26 15:58:58 2012 -0500

    pdf-loader: accept a NULL cancellable
    
    Check for != NULL before reffing the cancellable object to avoid
    spawning criticals when NULL is provided by the caller.

 src/lib/gd-pdf-loader.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/lib/gd-pdf-loader.c b/src/lib/gd-pdf-loader.c
index e157706..6cf8c62 100644
--- a/src/lib/gd-pdf-loader.c
+++ b/src/lib/gd-pdf-loader.c
@@ -145,7 +145,6 @@ pdf_load_job_new (GSimpleAsyncResult *result,
 
   retval = g_slice_new0 (PdfLoadJob);
   retval->result = g_object_ref (result);
-  retval->cancellable = g_object_ref (cancellable);
   retval->unoconv_pid = -1;
   retval->unlink_cache = FALSE;
   retval->from_old_cache = FALSE;
@@ -154,6 +153,8 @@ pdf_load_job_new (GSimpleAsyncResult *result,
     retval->uri = g_strdup (uri);
   if (entry != NULL)
     retval->gdata_entry = g_object_ref (entry);
+  if (cancellable != NULL)
+    retval->cancellable = g_object_ref (cancellable);
 
   return retval;
 }