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[components][drivers]sdio 给局部指针变量赋初值,修复潜在问题

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tangyuxin 2018-06-26 11:09:13 +08:00
parent 6ecdfca2cd
commit f850a2dd33
1 changed files with 1 additions and 1 deletions
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2
components/drivers/sdio/mmc.c
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@ -412,12 +412,12 @@ static rt_err_t mmc_set_card_addr(struct rt_mmcsd_host *host, rt_uint32_t rca)
static rt_int32_t mmcsd_mmc_init_card(struct rt_mmcsd_host *host,
rt_uint32_t ocr)
{
struct rt_mmcsd_card *card;
rt_int32_t err;
rt_uint32_t resp[4];
rt_uint32_t rocr;
rt_uint32_t max_data_rate;
rt_uint8_t *ext_csd = RT_NULL;
struct rt_mmcsd_card *card = RT_NULL;
mmcsd_go_idle(host);