diff options
| -rw-r--r-- | commands/nand-bitflip.c | 4 | ||||
| -rw-r--r-- | drivers/mtd/peb.c | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/commands/nand-bitflip.c b/commands/nand-bitflip.c index fe56f222cf..a8a97c153a 100644 --- a/commands/nand-bitflip.c +++ b/commands/nand-bitflip.c @@ -69,6 +69,10 @@ static int do_nand_bitflip(int argc, char *argv[]) block += mtd_div_by_eb(offset, meminfo.mtd); offset = mtd_mod_by_eb(offset, meminfo.mtd); + if ((int)offset % meminfo.mtd->writesize) { + printf("offset has to be pagesize aligned\n"); + return 1; + } if (!check) { ret = mtd_peb_create_bitflips(meminfo.mtd, block, offset, meminfo.writesize, diff --git a/drivers/mtd/peb.c b/drivers/mtd/peb.c index c97697f6f9..c35b63f2fd 100644 --- a/drivers/mtd/peb.c +++ b/drivers/mtd/peb.c @@ -565,6 +565,8 @@ int mtd_peb_create_bitflips(struct mtd_info *mtd, int pnum, int offset, if (offset < 0 || offset + len > mtd->erasesize) return -EINVAL; + if (offset % mtd->writesize) + return -EINVAL; if (len <= 0) return -EINVAL; if (num_bitflips <= 0) |