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Commit 7f852cc1 authored by Claire Lin's avatar Claire Lin Committed by Miquel Raynal
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mtd: rawnand: brcmnand: Fix ecc chunk calculation for erased page bitfips 



In brcmstb_nand_verify_erased_page(), the ECC chunk pointer calculation
while correcting erased page bitflips is wrong, fix it.

Fixes: 02b88eea ("mtd: brcmnand: Add check for erased page bitflips")
Signed-off-by: default avatarClaire Lin <claire.lin@broadcom.com>
Reviewed-by: default avatarRay Jui <ray.jui@broadcom.com>
Signed-off-by: default avatarKamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
parent 419a7a1f

drivers/mtd/nand/raw/brcmnand/brcmnand.c

+4 −1
Original line number Diff line number Diff line
@@ -1792,6 +1792,7 @@ static int brcmstb_nand_verify_erased_page(struct mtd_info *mtd, 
	int bitflips = 0;

	int page = addr >> chip->page_shift;

	int ret;

	void *ecc_chunk;



	if (!buf)

		buf = nand_get_data_buf(chip);
@@ -1804,7 +1805,9 @@ static int brcmstb_nand_verify_erased_page(struct mtd_info *mtd, 
		return ret;



	for (i = 0; i < chip->ecc.steps; i++, oob += sas) {

		ret = nand_check_erased_ecc_chunk(buf, chip->ecc.size,

		ecc_chunk = buf + chip->ecc.size * i;

		ret = nand_check_erased_ecc_chunk(ecc_chunk,

						  chip->ecc.size,

						  oob, sas, NULL, 0,

						  chip->ecc.strength);

		if (ret < 0)