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 f5c72e33f9ae..f8b796820ef4 100644 --- a/drivers/platform/x86/barco-p50-gpio.c +++ b/drivers/platform/x86/barco-p50-gpio.c @@ -406,11 +406,14 @@ 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)) {