(dwarf2_per_objfile_free): Unref dwp bfd.
+2013-04-01  Doug Evans  <dje@google.com>
+
+       * dwarf2read.c (free_dwo_file): Add comment.
+       (dwarf2_per_objfile_free): Unref dwp bfd.
+
 2013-04-01  Aleksandar Ristovski <aristovski@qnx.com>
 
        * coff-pe-read.c (add_pe_exported_sym): Remove unused 'dll_name_len'.
 
   int ix;
   struct dwarf2_section_info *section;
 
+  /* Note: dbfd is NULL for virtual DWO files.  */
   gdb_bfd_unref (dwo_file->dbfd);
 
   VEC_free (dwarf2_section_info_def, dwo_file->sections.types);
 
   if (data->dwo_files)
     free_dwo_files (data->dwo_files, objfile);
+  if (data->dwp_file)
+    gdb_bfd_unref (data->dwp_file->dbfd);
 
   if (data->dwz_file && data->dwz_file->dwz_bfd)
     gdb_bfd_unref (data->dwz_file->dwz_bfd);