diff options
| -rw-r--r-- | components/drivers/sdio/sdio.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/components/drivers/sdio/sdio.c b/components/drivers/sdio/sdio.c index dc0cd1eb96..b105e65109 100644 --- a/components/drivers/sdio/sdio.c +++ b/components/drivers/sdio/sdio.c @@ -1171,7 +1171,8 @@ void sdio_irq_wakeup(struct rt_mmcsd_host *host) { if (host->flags & MMCSD_SUP_SDIO_IRQ) host->ops->enable_sdio_irq(host, 0); - rt_sem_release(host->sdio_irq_sem); + if (host->sdio_irq_sem) + rt_sem_release(host->sdio_irq_sem); } rt_int32_t sdio_enable_func(struct rt_sdio_function *func) |