Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.18 289/339] platform/x86: barco-p50-gpio: Add check for platform_driver_register | Date | Mon, 13 Jun 2022 12:11:54 +0200 |
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From: Jiasheng Jiang <jiasheng@iscas.ac.cn>
[ Upstream commit 011881b80ebe773914b59905bce0f5e0ef93e7ba ]
As platform_driver_register() could fail, it should be better to deal with the return value in order to maintain the code consisitency.
Fixes: 86af1d02d458 ("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> --- drivers/platform/x86/barco-p50-gpio.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/barco-p50-gpio.c b/drivers/platform/x86/barco-p50-gpio.c index 05534287bc26..8dd672339485 100644 --- a/drivers/platform/x86/barco-p50-gpio.c +++ b/drivers/platform/x86/barco-p50-gpio.c @@ -405,11 +405,14 @@ MODULE_DEVICE_TABLE(dmi, dmi_ids); static int __init p50_module_init(void) { struct resource res = DEFINE_RES_IO(P50_GPIO_IO_PORT_BASE, P50_PORT_CMD + 1); + int ret; if (!dmi_first_match(dmi_ids)) return -ENODEV; - platform_driver_register(&p50_gpio_driver); + ret = platform_driver_register(&p50_gpio_driver); + if (ret) + return ret; gpio_pdev = platform_device_register_simple(DRIVER_NAME, PLATFORM_DEVID_NONE, &res, 1); if (IS_ERR(gpio_pdev)) { -- 2.35.1
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