I think, that Size is (highest address+1 - Base address)

Base address has been removed and if address+count >= size we are outside of the Flash
2016-11-01 22:27:35 +00:00 · 2016-11-01 22:27:35 +00:00 · d870f4ab29
parent 8dd2494407
commit d870f4ab29
1 changed files with 1 additions and 1 deletions
--- a/arch/arm/src/stm32/stm32_flash.c
+++ b/arch/arm/src/stm32/stm32_flash.c
@ -313,7 +313,7 @@ ssize_t up_progmem_write(size_t addr, const void *buf, size_t count)
      addr -= STM32_FLASH_BASE;
    }

-  if ((addr+count) > STM32_FLASH_SIZE)
+  if ((addr+count) >= STM32_FLASH_SIZE)
    {
      return -EFAULT;
    }