From: Ruan Jinjie <ruanjinjie@xxxxxxxxxx> It is not possible for platform_get_irq() to return 0. Use the return value from platform_get_irq(). Signed-off-by: Ruan Jinjie <ruanjinjie@xxxxxxxxxx> Link: https://lore.kernel.org/all/20230802030900.2271322-1-ruanjinjie@xxxxxxxxxx Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> --- drivers/net/can/c_can/c_can_platform.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c index 925930b6c4ca..f44ba2600415 100644 --- a/drivers/net/can/c_can/c_can_platform.c +++ b/drivers/net/can/c_can/c_can_platform.c @@ -285,8 +285,8 @@ static int c_can_plat_probe(struct platform_device *pdev) /* get the platform data */ irq = platform_get_irq(pdev, 0); - if (irq <= 0) { - ret = -ENODEV; + if (irq < 0) { + ret = irq; goto exit; } -- 2.40.1