[PATCH] NAND: fix remaining OOB length calculation

In nand_read_page_syndrome/nand_write_page_syndrome the calculation of
the remaining oob length which is not used by the prepad/ecc/postpad
areas is wrong.

Signed-off-by: Vitaly Wool <vwool@ru.mvista.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 77406fcf53b3..e74678e928cf 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -883,7 +883,7 @@ static int nand_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip,
         }
 
         /* Calculate remaining oob bytes */
-        i = oob - chip->oob_poi;
+        i = mtd->oobsize - (oob - chip->oob_poi);
         if (i)
                 chip->read_buf(mtd, oob, i);
 
@@ -1334,7 +1334,7 @@ static void nand_write_page_syndrome(struct mtd_info *mtd,
         }
 
         /* Calculate remaining oob bytes */
-        i = oob - chip->oob_poi;
+        i = mtd->oobsize - (oob - chip->oob_poi);
         if (i)
                 chip->write_buf(mtd, oob, i);
 }