mfd: sm501: Add check for platform_driver_register()
[ Upstream commit 8325a6c24ad78b8c1acc3c42b098ee24105d68e5 ]
As platform_driver_register() can return error numbers,
it should be better to check platform_driver_register()
and deal with the exception.
Fixes: b6d6454fdb
("[PATCH] mfd: SM501 core driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220913091112.1739138-1-jiasheng@iscas.ac.cn
Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -1733,7 +1733,12 @@ static struct platform_driver sm501_plat_driver = {
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static int __init sm501_base_init(void)
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static int __init sm501_base_init(void)
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{
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{
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platform_driver_register(&sm501_plat_driver);
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int ret;
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ret = platform_driver_register(&sm501_plat_driver);
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if (ret < 0)
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return ret;
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return pci_register_driver(&sm501_pci_driver);
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return pci_register_driver(&sm501_pci_driver);
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}
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}
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