From 585acc9de65554e2d77dc3d30a65d59b8766ba39 Mon Sep 17 00:00:00 2001 From: Scott Wood Date: Thu, 19 Mar 2015 09:20:49 -0700 Subject: [PATCH] nand/fsl_ifc: Increase eccstat[] for IFC 2.0 IFC 2.0 doubled the SRAM size, which means double the number of ECCSTAT registers. Fix the resulting array overflow. Signed-off-by: Scott Wood Reviewed-by: York Sun --- drivers/mtd/nand/fsl_ifc_nand.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c index 7903eebd53..28f197ed9e 100644 --- a/drivers/mtd/nand/fsl_ifc_nand.c +++ b/drivers/mtd/nand/fsl_ifc_nand.c @@ -292,7 +292,7 @@ static int fsl_ifc_run_command(struct mtd_info *mtd) struct fsl_ifc *ifc = ctrl->regs; u32 timeo = (CONFIG_SYS_HZ * 10) / 1000; u32 time_start; - u32 eccstat[4] = {0}; + u32 eccstat[8] = {0}; int i; /* set the chip select for NAND Transaction */ @@ -325,8 +325,15 @@ static int fsl_ifc_run_command(struct mtd_info *mtd) int sector = bufnum * chip->ecc.steps; int sector_end = sector + chip->ecc.steps - 1; - for (i = sector / 4; i <= sector_end / 4; i++) + for (i = sector / 4; i <= sector_end / 4; i++) { + if (i >= ARRAY_SIZE(eccstat)) { + printf("%s: eccstat too small for %d\n", + __func__, i); + return -EIO; + } + eccstat[i] = ifc_in32(&ifc->ifc_nand.nand_eccstat[i]); + } for (i = sector; i <= sector_end; i++) { errors = check_read_ecc(mtd, ctrl, eccstat, i); -- 2.30.2