Commit 4883a60c authored by Sean Nyekjaer's avatar Sean Nyekjaer Committed by Miquel Raynal
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mtd: rawnand: gpmi: fix dst bit offset when extracting raw payload 



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: e5e5631c ("mtd: rawnand: gpmi: Use nand_extract_bits()")
Cc: stable@vger.kernel.org
Reported-by: default avatarMartin Hundebøll <martin@geanix.com>
Signed-off-by: default avatarSean Nyekjaer <sean@geanix.com>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20201221100013.2715675-1-sean@geanix.com
parent 5c8fe583

drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c

+1 −1
Original line number Diff line number Diff line
@@ -1615,7 +1615,7 @@ static int gpmi_ecc_read_page_raw(struct nand_chip *chip, uint8_t *buf, 
	/* 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;