From b085058fe556328443f982d892c9657b3aff9d4a Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@nokia.com>
Date: Tue, 8 Feb 2011 12:02:38 +0200
Subject: [PATCH] mtd: OneNAND: return read error for 4KiB page read

When reading using the 4KiB page read function, I/O
errors could be ignored if more than 1 page was read
at a time.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/onenand/onenand_base.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mtd/onenand/onenand_base.c b/drivers/mtd/onenand/onenand_base.c
index bac41ca..38e6d76 100644
--- a/drivers/mtd/onenand/onenand_base.c
+++ b/drivers/mtd/onenand/onenand_base.c
@@ -1132,6 +1132,8 @@ static int onenand_mlc_read_ops_nolock(struct mtd_info *mtd, loff_t from,
 			onenand_update_bufferram(mtd, from, !ret);
 			if (ret == -EBADMSG)
 				ret = 0;
+			if (ret)
+				break;
 		}
 
 		this->read_bufferram(mtd, ONENAND_DATARAM, buf, column, thislen);
-- 
2.7.4