check the result of mmc_add_host() and return the value.
Signed-off-by: Jaehoon Chung <[email protected]>
---
drivers/mmc/host/dw_mmc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 60063cc..e481d90 100644
--- 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);
--
1.7.9.5
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