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platform/x86: barco-p50-gpio: Add check for platform_driver_register
[ Upstream commit011881b80e
] As platform_driver_register() could fail, it should be better to deal with the return value in order to maintain the code consisitency. Fixes:86af1d02d4
("platform/x86: Support for EC-connected GPIOs for identify LED/button on Barco P50 board") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Acked-by: Peter Korsgaard <peter.korsgaard@barco.com> Link: https://lore.kernel.org/r/20220526090345.1444172-1-jiasheng@iscas.ac.cn Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 4 additions and 1 deletions
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@ -406,11 +406,14 @@ MODULE_DEVICE_TABLE(dmi, dmi_ids);
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static int __init p50_module_init(void)
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{
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struct resource res = DEFINE_RES_IO(P50_GPIO_IO_PORT_BASE, P50_PORT_CMD + 1);
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int ret;
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if (!dmi_first_match(dmi_ids))
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return -ENODEV;
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platform_driver_register(&p50_gpio_driver);
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ret = platform_driver_register(&p50_gpio_driver);
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if (ret)
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return ret;
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gpio_pdev = platform_device_register_simple(DRIVER_NAME, PLATFORM_DEVID_NONE, &res, 1);
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if (IS_ERR(gpio_pdev)) {
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