static int sidtab_convert_tree(union sidtab_entry_inner *edst,
			       union sidtab_entry_inner *esrc,
			       u32 *pos, u32 count, u32 level,
			       struct sidtab_convert_params *convert)
static int sidtab_convert_tree(union sidtab_entry_inner *edst,
			       union sidtab_entry_inner *esrc, u32 *pos,
			       u32 count, u32 level,
			       struct sidtab_convert_params *convert)