The patch below does not apply to the 3.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 2913aae5f9eae2f857cdeff5388bb22d0751aa08 Mon Sep 17 00:00:00 2001 From: Ted Juan <[email protected]> Date: Wed, 28 May 2014 22:33:06 +0800 Subject: [PATCH] mtd: nand: omap: fix omap_calculate_ecc_bch() for-loop error Fixes: 2c9f2365d1e1d0e318b068f683f18c99515b80f8 mtd: nand: omap: ecc.calculate: merge omap3_calculate_ecc_bch4 in omap_calculate_ecc_bch Fixes: 7bcd1dca1d587ad29f9825ba4414620440e8c8da mtd: nand: omap: ecc.calculate: merge omap3_calculate_ecc_bch8 in omap_calculate_ecc_bch Cc: <[email protected]> # 3.13.x+ Signed-off-by: Ted Juan <[email protected]> Acked-by: Pekon Gupta <[email protected]> Signed-off-by: Brian Norris <[email protected]> diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c index cbe87a8e6218..f0ed92e210a1 100644 --- a/drivers/mtd/nand/omap2.c +++ b/drivers/mtd/nand/omap2.c @@ -1180,7 +1180,7 @@ static int __maybe_unused omap_calculate_ecc_bch(struct mtd_info *mtd, u8 *ecc_code; unsigned long nsectors, bch_val1, bch_val2, bch_val3, bch_val4; u32 val; - int i; + int i, j; nsectors = ((readl(info->reg.gpmc_ecc_config) >> 4) & 0x7) + 1; for (i = 0; i < nsectors; i++) { @@ -1263,8 +1263,8 @@ static int __maybe_unused omap_calculate_ecc_bch(struct mtd_info *mtd, case OMAP_ECC_BCH4_CODE_HW_DETECTION_SW: /* Add constant polynomial to remainder, so that * ECC of blank pages results in 0x0 on reading back */ - for (i = 0; i < eccbytes; i++) - ecc_calc[i] ^= bch4_polynomial[i]; + for (j = 0; j < eccbytes; j++) + ecc_calc[j] ^= bch4_polynomial[j]; break; case OMAP_ECC_BCH4_CODE_HW: /* Set 8th ECC byte as 0x0 for ROM compatibility */ @@ -1273,8 +1273,8 @@ static int __maybe_unused omap_calculate_ecc_bch(struct mtd_info *mtd, case OMAP_ECC_BCH8_CODE_HW_DETECTION_SW: /* Add constant polynomial to remainder, so that * ECC of blank pages results in 0x0 on reading back */ - for (i = 0; i < eccbytes; i++) - ecc_calc[i] ^= bch8_polynomial[i]; + for (j = 0; j < eccbytes; j++) + ecc_calc[j] ^= bch8_polynomial[j]; break; case OMAP_ECC_BCH8_CODE_HW: /* Set 14th ECC byte as 0x0 for ROM compatibility */ -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
