goldfish_nand.c: remove length restrictions
Remove limitations on the size of a read / write request.
AFAIK, there's no consequence to allowing the upper layers
to specify different read / write sizes.
This is needed to support running ext4 on goldfish.
Bug: https://code.google.com/p/android/issues/detail?id=38561
Signed-off-by: Nick Kralevich <nnk@google.com>
Signed-off-by: Jun Tian <jun.j.tian@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/goldfish/goldfish_nand.c b/drivers/staging/goldfish/goldfish_nand.c
index b8e3dd28..b7ca553 100644
--- a/drivers/staging/goldfish/goldfish_nand.c
+++ b/drivers/staging/goldfish/goldfish_nand.c
@@ -202,8 +202,6 @@
if (from + len > mtd->size)
goto invalid_arg;
- if (len != mtd->writesize)
- goto invalid_arg;
rem = do_div(from, mtd->writesize);
if (rem)
@@ -226,8 +224,6 @@
if (to + len > mtd->size)
goto invalid_arg;
- if (len != mtd->writesize)
- goto invalid_arg;
rem = do_div(to, mtd->writesize);
if (rem)
