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nand: Fix access to last block in NAND devices

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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 <sr@denx.de>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Wolfgang Denk <wd@denx.de>
This commit is contained in:
Stefan Roese 2009-12-09 09:01:43 +01:00 committed by Scott Wood
parent 3b887ca8ce
commit f4cfe42758
1 changed files with 2 additions and 2 deletions
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4
drivers/mtd/nand/nand_util.c
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@ -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;
}