From patchwork Sun Mar 10 10:18:24 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: mtd: nand: fix the partial page write condition From: htbegin X-Patchwork-Id: 226424 Message-Id: <1362910704-24133-1-git-send-email-hotforest@gmail.com> To: David Woodhouse Cc: Tao Hou , linux-mtd@lists.infradead.org, Thomas Gleixner , linux-kernel@vger.kernel.org Date: Sun, 10 Mar 2013 18:18:24 +0800 When writelen is mtd->writesize - 1, it is still a partial page write Signed-off-by: Tao Hou Cc: Thomas Gleixner Cc: linux-mtd@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/mtd/nand/nand_base.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 4321415..c6161eb 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -2210,7 +2210,7 @@ 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;