From f260f7effde7bca0546cfebfbdfabf79996f870e Mon Sep 17 00:00:00 2001
From: ZYH <lymz@foxmail.com>
Date: Sat, 22 Sep 2018 14:49:47 +0800
Subject: [PATCH] [Components][SDIO]fix Assigned value is garbage or undefined

---
 components/drivers/sdio/sdio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/drivers/sdio/sdio.c b/components/drivers/sdio/sdio.c
index 67e82156b..4c669e808 100644
--- a/components/drivers/sdio/sdio.c
+++ b/components/drivers/sdio/sdio.c
@@ -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;
-- 
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