Merge pull request #1572 from enkiller/mmc

[components][drivers]sdio 给局部指针变量赋初值,修复潜在问题
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Bernard Xiong 2018-06-26 12:10:05 +08:00 committed by GitHub
commit 464e1615b9
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1 changed files with 1 additions and 1 deletions

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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, static rt_int32_t mmcsd_mmc_init_card(struct rt_mmcsd_host *host,
rt_uint32_t ocr) rt_uint32_t ocr)
{ {
struct rt_mmcsd_card *card;
rt_int32_t err; rt_int32_t err;
rt_uint32_t resp[4]; rt_uint32_t resp[4];
rt_uint32_t rocr; rt_uint32_t rocr;
rt_uint32_t max_data_rate; rt_uint32_t max_data_rate;
rt_uint8_t *ext_csd = RT_NULL; rt_uint8_t *ext_csd = RT_NULL;
struct rt_mmcsd_card *card = RT_NULL;
mmcsd_go_idle(host); mmcsd_go_idle(host);