The patch titled
mtd corruption fix
has been added to the -mm tree. Its filename is
mtd-corruption-fix.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: mtd corruption fix
From: Richard Purdie <rpurdie@xxxxxxxxx>
Read the return value before we release the nand device otherwise the
value can become corrupted by another user of chip->ops, ultimately
resulting in filesystem corruption.
Signed-off-by: Richard Purdie <rpurdie@xxxxxxxxx>
Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/mtd/nand/nand_base.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff -puN drivers/mtd/nand/nand_base.c~mtd-corruption-fix drivers/mtd/nand/nand_base.c
--- a/drivers/mtd/nand/nand_base.c~mtd-corruption-fix
+++ a/drivers/mtd/nand/nand_base.c
@@ -1093,9 +1093,10 @@ static int nand_read(struct mtd_info *mt
ret = nand_do_read_ops(mtd, from, &chip->ops);
+ *retlen = chip->ops.retlen;
+
nand_release_device(mtd);
- *retlen = chip->ops.retlen;
return ret;
}
@@ -1691,9 +1692,10 @@ static int nand_write(struct mtd_info *m
ret = nand_do_write_ops(mtd, to, &chip->ops);
+ *retlen = chip->ops.retlen;
+
nand_release_device(mtd);
- *retlen = chip->ops.retlen;
return ret;
}
_
Patches currently in -mm which might be from rpurdie@xxxxxxxxx are
mtd-corruption-fix.patch
git-mtd.patch
make-ledsh-include-relevant-headers.patch
-
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