[PATCH] mtd onenand driver: reduce stack usage

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/mtd/onenand/onenand_bbt.c b/drivers/mtd/onenand/onenand_bbt.c
index f40190f..4510d33 100644
--- a/drivers/mtd/onenand/onenand_bbt.c
+++ b/drivers/mtd/onenand/onenand_bbt.c
@@ -118,10 +118,10 @@
  */
 static inline int onenand_memory_bbt (struct mtd_info *mtd, struct nand_bbt_descr *bd)
 {
-	unsigned char data_buf[MAX_ONENAND_PAGESIZE];
+	struct onenand_chip *this = mtd->priv;
 
         bd->options &= ~NAND_BBT_SCANEMPTY;
-        return create_bbt(mtd, data_buf, bd, -1);
+	return create_bbt(mtd, this->page_buf, bd, -1);
 }
 
 /**