mmc: dw_mmc: return the result of mmc_add_host()

Check the result of mmc_add_host() and return the value.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Acked-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 9834221..6da19c1 100644 (file)
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1990,7 +1990,9 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
 
        slot->wp_gpio = dw_mci_of_get_wp_gpio(host->dev, slot->id);
 
-       mmc_add_host(mmc);
+       ret = mmc_add_host(mmc);
+       if (ret)
+               goto err_setup_bus;
 
 #if defined(CONFIG_DEBUG_FS)
        dw_mci_init_debugfs(slot);