orangefs: Do not unref if there is no bufmap.

	}

}

/*

 * XXX: Can the size and shift change while the caller gives up the 

 * XXX: lock between calling this and doing something useful?

 */

int orangefs_bufmap_size_query(void)

{

	struct orangefs_bufmap *bufmap = orangefs_bufmap_ref();

	int size = bufmap ? bufmap->desc_size : 0;

	struct orangefs_bufmap *bufmap;

	int size = 0;

	bufmap = orangefs_bufmap_ref();

	if (bufmap) {

		size = bufmap->desc_size;

		orangefs_bufmap_unref(bufmap);

	}

	return size;

}

int orangefs_bufmap_shift_query(void)

{

	struct orangefs_bufmap *bufmap = orangefs_bufmap_ref();

	int shift = bufmap ? bufmap->desc_shift : 0;

	struct orangefs_bufmap *bufmap;

	int shift = 0;

	bufmap = orangefs_bufmap_ref();

	if (bufmap) {

		shift = bufmap->desc_shift;

		orangefs_bufmap_unref(bufmap);

	}

	return shift;

}