From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752844Ab3CJKMH (ORCPT ); Sun, 10 Mar 2013 06:12:07 -0400 Received: from mail-pb0-f48.google.com ([209.85.160.48]:32778 "EHLO mail-pb0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752750Ab3CJKMF (ORCPT ); Sun, 10 Mar 2013 06:12:05 -0400 From: Tao Hou To: David Woodhouse Cc: Tao Hou , Thomas Gleixner , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] mtd: nand: fix the partial page write condition Date: Sun, 10 Mar 2013 18:18:24 +0800 Message-Id: <1362910704-24133-1-git-send-email-hotforest@gmail.com> X-Mailer: git-send-email 1.7.9.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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; -- 1.7.9.5