mmc: core: Fixup Oops for SDIO shutdown

[firefly-linux-kernel-4.4.55.git] / drivers / mmc / core / bus.c

diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 4c0decfffb5369062e539ea8f8d25d81fd811755..d4b99bbe0781137c43c6758e630c26f4d3503a36 100644 (file)
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -129,7 +129,8 @@ static void mmc_bus_shutdown(struct device *dev)
        struct mmc_host *host = card->host;
        int ret;
 
-       drv->shutdown(card);
+       if (dev->driver && drv->shutdown)
+               drv->shutdown(card);
 
        if (host->bus_ops->shutdown) {
                ret = host->bus_ops->shutdown(host);