From: htbegin <hotforest@gmail.com>
Date: Fri, 1 Mar 2013 22:59:27 +0000 (+0000)
Subject: mtd: nand: fix the partial page write condition
X-Git-Tag: v2013.07-rc1~49^2~3
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=070fd8e5295185546801a0f11ea5edd22833a02b;p=karo-tx-uboot.git

mtd: nand: fix the partial page write condition

When writelen is mtd->writesize - 1, it is still a partial page write

Signed-off-by: Tao Hou <hotforest@gmail.com>
Cc: Scott Wood <scottwood@freescale.com>
---

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index a2d06be99f..3d846592ca 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1973,7 +1973,7 @@ static int nand_do_write_ops(struct mtd_info *mtd, loff_t to,
 		uint8_t *wbuf = buf;
 
 		/* Partial page write ? */
-		if (unlikely(column || writelen < (mtd->writesize - 1))) {
+		if (unlikely(column || writelen < mtd->writesize)) {
 			cached = 0;
 			bytes = min_t(int, bytes - column, (int) writelen);
 			chip->pagebuf = -1;