[MTD] OneNAND: fix onenand_wait bug in read ecc error

Even though there is ECC error. OneNAND driver updates the buffram as valid

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index 0037cee5ef27..e80857b3bb83 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -298,7 +298,7 @@ static int onenand_wait(struct mtd_info *mtd, int state)
         unsigned long timeout;
         unsigned int flags = ONENAND_INT_MASTER;
         unsigned int interrupt = 0;
-        unsigned int ctrl, ecc;
+        unsigned int ctrl;
 
         /* The 20 msec is enough */
         timeout = jiffies + msecs_to_jiffies(20);
@@ -324,7 +324,7 @@ static int onenand_wait(struct mtd_info *mtd, int state)
         }
 
         if (interrupt & ONENAND_INT_READ) {
-                ecc = this->read_word(this->base + ONENAND_REG_ECC_STATUS);
+                int ecc = this->read_word(this->base + ONENAND_REG_ECC_STATUS);
                 if (ecc) {
                         DEBUG(MTD_DEBUG_LEVEL0, "onenand_wait: ECC error = 0x%04x\n", ecc);
                         if (ecc & ONENAND_ECC_2BIT_ALL)
@@ -332,6 +332,7 @@ static int onenand_wait(struct mtd_info *mtd, int state)
                         else if (ecc & ONENAND_ECC_1BIT_ALL)
                                 mtd->ecc_stats.corrected++;
                 }
+                return ecc;
         }
 
         return 0;