[PATCH 5/6] mtd: spinand: Fix OOB read

Miquel Raynal miquel.raynal at bootlin.com
Thu Oct 1 06:20:13 EDT 2020


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 at vger.kernel.org
Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
---
 drivers/mtd/nand/spi/core.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
index 4a4c86d8eeb6..bec8c2a57f24 100644
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -382,6 +382,10 @@ static int spinand_read_from_cache_op(struct spinand_device *spinand,
 		memcpy(req->databuf.in, spinand->databuf + req->dataoffs,
 		       req->datalen);
 
+	if (req->ooblen)
+		memcpy(req->oobbuf.in, spinand->oobbuf + req->ooboffs,
+		       req->ooblen);
+
 	return 0;
 }
 
-- 
2.20.1




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