Patchwork mtd: nand: fix the partial page write condition

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Submitter htbegin
Date March 10, 2013, 10:18 a.m.
Message ID <1362910704-24133-1-git-send-email-hotforest@gmail.com>
Download mbox | patch
Permalink /patch/226424/
State New
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Comments

htbegin - March 10, 2013, 10:18 a.m.
When writelen is mtd->writesize - 1, it is still a partial page write

Signed-off-by: Tao Hou <hotforest@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
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(-)

Patch

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;