diff options
Diffstat (limited to 'drivers/mtd/nor/cfi_flash.c')
| -rw-r--r-- | drivers/mtd/nor/cfi_flash.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mtd/nor/cfi_flash.c b/drivers/mtd/nor/cfi_flash.c index ba0bd1b4eb..ffd29d80a7 100644 --- a/drivers/mtd/nor/cfi_flash.c +++ b/drivers/mtd/nor/cfi_flash.c @@ -466,9 +466,16 @@ flash_sect_t find_sector(struct flash_info *info, unsigned long addr) { flash_sect_t sector; - for (sector = info->sector_count - 1; sector >= 0; sector--) { + sector = info->sector_count - 1; + + while (1) { if (addr >= info->start[sector]) break; + + if (sector == 0) + BUG(); + + sector--; } return sector; |