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

Signed-off-by: Tao Hou <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Cc: [email protected]
---
 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

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