mtd: spinand: Fix OOB read

commit 868cbe2a6dcee451bd8f87cbbb2a73cf463b57e5 upstream.

So far OOB have never been used in SPI-NAND, add the missing memcpy to
make it work properly.

Fixes: 7529df465248 ("mtd: nand: Add core infrastructure to support SPI NANDs")
Cc: stable@vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201001102014.20100-6-miquel.raynal@bootlin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
index 0d21c68bfe245f3f0aacecb14697158ddb653eea..671700af918048ad6b04a672edf25336bc22390f 100644 (file)
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -317,6 +317,10 @@ static int spinand_write_to_cache_op(struct spinand_device *spinand,
                buf += ret;
        }
 
+       if (req->ooblen)
+               memcpy(req->oobbuf.in, spinand->oobbuf + req->ooboffs,
+                      req->ooblen);
+
        return 0;
 }