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Subject[PATCH] mfd: sm501: barco-p50-gpio: Add check for platform_driver_register
Date
As platform_driver_register() could fail, it should be better
to deal with the return value in order to maintain the code
consisitency.

Fixes: b6d6454fdb66 ("[PATCH] mfd: SM501 core driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
---
drivers/mfd/sm501.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index bc0a2c38653e..41c8756bbf88 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -1720,7 +1720,12 @@ static struct platform_driver sm501_plat_driver = {

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

--
2.25.1
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