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Subject[PATCH 4.18 090/171] mtd: nand: Fix nanddev_neraseblocks()
Date
4.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Boris Brezillon <boris.brezillon@bootlin.com>

commit d098093ba06eb032057d1aca1c2e45889e099d00 upstream.

nanddev_neraseblocks() currently returns the number pages per LUN
instead of the total number of eraseblocks.

Fixes: 9c3736a3de21 ("mtd: nand: Add core infrastructure to deal with NAND devices")
Cc: <stable@vger.kernel.org>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
include/linux/mtd/nand.h | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -324,9 +324,8 @@ static inline unsigned int nanddev_ntarg
*/
static inline unsigned int nanddev_neraseblocks(const struct nand_device *nand)
{
- return (u64)nand->memorg.luns_per_target *
- nand->memorg.eraseblocks_per_lun *
- nand->memorg.pages_per_eraseblock;
+ return nand->memorg.ntargets * nand->memorg.luns_per_target *
+ nand->memorg.eraseblocks_per_lun;
}

/**

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