* Size of malloc() pool
*/
#ifdef CONFIG_USB_FUNCTION_DFU
-#define CONFIG_SYS_MALLOC_LEN ((4 << 20) + \
- CONFIG_SYS_DFU_DATA_BUF_SIZE)
+#define CONFIG_SYS_MALLOC_LEN (SZ_4M + \
+ CONFIG_SYS_DFU_DATA_BUF_SIZE + \
+ CONFIG_SYS_DFU_MAX_FILE_SIZE)
#else
#define CONFIG_SYS_MALLOC_LEN (4 << 20) /* 4MB */
#endif