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authorZYH <[email protected]>2018-09-22 14:49:47 +0800
committerZYH <[email protected]>2018-09-22 14:49:47 +0800
commitf260f7effde7bca0546cfebfbdfabf79996f870e (patch)
treeb5a6602c762b1c0c1e5ebd2f7e6ae3bb00b0bb98 /components/drivers/sdio
parentc042690e593705eb28fc71c063aefb8fff54a3d2 (diff)
[Components][SDIO]fix Assigned value is garbage or undefined
Diffstat (limited to 'components/drivers/sdio')
-rw-r--r--components/drivers/sdio/sdio.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/components/drivers/sdio/sdio.c b/components/drivers/sdio/sdio.c
index 67e82156b3..4c669e808c 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;