From: Sean Nyekjaer <sean@xxxxxxxxxx>
commit 4883a60c17eda6bf52d1c817ee7ead65b4a02da2 upstream.
Re-add the multiply by 8 to "step * eccsize" to correct the destination bit offset
when extracting the data payload in gpmi_ecc_read_page_raw().
Fixes: e5e5631cc889 ("mtd: rawnand: gpmi: Use nand_extract_bits()")
Cc: stable@xxxxxxxxxxxxxxx
Reported-by: Martin Hundebøll <martin@xxxxxxxxxx>
Signed-off-by: Sean Nyekjaer <sean@xxxxxxxxxx>
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Link: https://lore.kernel.org/linux-mtd/20201221100013.2715675-1-sean@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
@@ -1613,7 +1613,7 @@ static int gpmi_ecc_read_page_raw(struct
/* Extract interleaved payload data and ECC bits */
for (step = 0; step < nfc_geo->ecc_chunk_count; step++) {
if (buf)
- nand_extract_bits(buf, step * eccsize, tmp_buf,
+ nand_extract_bits(buf, step * eccsize * 8, tmp_buf,
src_bit_off, eccsize * 8);
src_bit_off += eccsize * 8;
