@@ -140,6 +140,7 @@ rt_int32_t sdio_io_rw_direct(struct rt_mmcsd_card *card,
RT_ASSERT(card != RT_NULL);
RT_ASSERT(fn <= SDIO_MAX_FUNCTIONS);
+ RT_ASSERT(pdata != RT_NULL);
if (reg_addr & ~SDIO_ARG_CMD53_REG_MASK)
return -RT_ERROR;