From: Sean Nyekjaer sean@geanix.com
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@vger.kernel.org Reported-by: Martin Hundebøll martin@geanix.com Signed-off-by: Sean Nyekjaer sean@geanix.com Signed-off-by: Miquel Raynal miquel.raynal@bootlin.com Link: https://lore.kernel.org/linux-mtd/20201221100013.2715675-1-sean@geanix.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- 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;