113 	u8 *data_buf, *oob_buf;  in nanddev_read_bbt()  local
133 	oob_buf = kzalloc(bbt_page_num * mtd->oobsize, GFP_KERNEL);  in nanddev_read_bbt()
134 	if (!oob_buf) {  in nanddev_read_bbt()
146 	ops.oobbuf = oob_buf;  in nanddev_read_bbt()
168 	if (oob_buf[0] == 0xff ||  in nanddev_read_bbt()
213 	kfree(oob_buf);  in nanddev_read_bbt()
225 	u8 *data_buf, *oob_buf;  in nanddev_write_bbt()  local
247 	oob_buf = kzalloc(bbt_page_num * mtd->oobsize, GFP_KERNEL);  in nanddev_write_bbt()
248 	if (!oob_buf) {  in nanddev_write_bbt()
271 	ops.oobbuf = oob_buf;  in nanddev_write_bbt()
291 	kfree(oob_buf);  in nanddev_write_bbt()