Sometimes we can't add the device,but we didn't check any error status.
Need to check error status for mmc_add_host.

Signed-off-by: Jaehoon Chung <[email protected]>
Signed-off-by: kyungmin Park <[email protected]>
---
 drivers/mmc/host/sdhci.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 9e15f41..9c777bc 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2025,7 +2025,9 @@ int sdhci_add_host(struct sdhci_host *host)
 
        mmiowb();
 
-       mmc_add_host(mmc);
+       ret = mmc_add_host(mmc);
+       if (unlikely(ret))
+               goto err_free_mmc;
 
        printk(KERN_INFO "%s: SDHCI controller on %s [%s] using %s\n",
                mmc_hostname(mmc), host->hw_name, dev_name(mmc_dev(mmc)),
@@ -2041,6 +2043,9 @@ reset:
        sdhci_reset(host, SDHCI_RESET_ALL);
        free_irq(host->irq, host);
 #endif
+err_free_mmc:
+       mmc_free_host(host);
+
 untasklet:
        tasklet_kill(&host->card_tasklet);
        tasklet_kill(&host->finish_tasklet);
--
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