[PATCH] mfd: sm501: Check for driver register failure

From: Aditya Pakki
Date: Fri Dec 28 2018 - 15:03:32 EST


While initializing the driver, the function platform_driver_register can
fail and return an error. Consistent with other invocations, this patch
returns the error upstream.

Signed-off-by: Aditya Pakki <pakki001@xxxxxxx>
---
drivers/mfd/sm501.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index a530972c5a7e..62cf62636ae6 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -1729,7 +1729,11 @@ static struct platform_driver sm501_plat_driver = {

static int __init sm501_base_init(void)
{
- platform_driver_register(&sm501_plat_driver);
+ int rc;
+
+ rc = platform_driver_register(&sm501_plat_driver);
+ if (rc)
+ return rc;
return pci_register_driver(&sm501_pci_driver);
}

--
2.17.1