From f4cfe42758192d09f8375e384cc000aa70d97029 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Wed, 9 Dec 2009 09:01:43 +0100 Subject: [PATCH] nand: Fix access to last block in NAND devices Currently, the last block of NAND devices can't be accessed. This patch fixes this issue by correcting the boundary checking (off-by-one error). Signed-off-by: Stefan Roese Cc: Scott Wood Cc: Wolfgang Denk --- drivers/mtd/nand/nand_util.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mtd/nand/nand_util.c b/drivers/mtd/nand/nand_util.c index 7085d42cc1..61bf7e6847 100644 --- a/drivers/mtd/nand/nand_util.c +++ b/drivers/mtd/nand/nand_util.c @@ -490,7 +490,7 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length, len_incl_bad = get_len_incl_bad (nand, offset, *length); - if ((offset + len_incl_bad) >= nand->size) { + if ((offset + len_incl_bad) > nand->size) { printf ("Attempt to write outside the flash area\n"); return -EINVAL; } @@ -562,7 +562,7 @@ int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length, len_incl_bad = get_len_incl_bad (nand, offset, *length); - if ((offset + len_incl_bad) >= nand->size) { + if ((offset + len_incl_bad) > nand->size) { printf ("Attempt to read outside the flash area\n"); return -EINVAL; } -- 2.25.1