UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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: 02b88eea9f ("mtd: brcmnand: Add check for erased page bitflips")
Signed-off-by: Claire Lin <claire.lin@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Kamal Dasu <kdasu.kdev@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
This commit is contained in:
Claire Lin 2019-08-26 15:57:56 -04:00 committed by Miquel Raynal
parent 419a7a1f16
commit 7f852cc157
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/mtd/nand/raw/brcmnand/brcmnand.c
View File

@ -1792,6 +1792,7 @@ static int brcmstb_nand_verify_erased_page(struct mtd_info *mtd,
int bitflips = 0; int bitflips = 0;
int page = addr >> chip->page_shift; int page = addr >> chip->page_shift;
int ret; int ret;
void *ecc_chunk;
if (!buf) if (!buf)
buf = nand_get_data_buf(chip); buf = nand_get_data_buf(chip);
@ -1804,7 +1805,9 @@ static int brcmstb_nand_verify_erased_page(struct mtd_info *mtd,
return ret; return ret;
for (i = 0; i < chip->ecc.steps; i++, oob += sas) { 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, oob, sas, NULL, 0,
chip->ecc.strength); chip->ecc.strength);
if (ret < 0) if (ret < 0)