>From the comment of platform_get_irq, it only returns non-zero IRQ number and negative error number, other than zero. Fix this by removing the if condition. Signed-off-by: Cheng Ziqiu <chengziqiu@xxxxxxxxxxx> Reviewed-by: Dongliang Mu <dzm91@xxxxxxxxxxx> --- v2->v3: Change subject to make it regular. v1->v2: Change commit message from SoB to Reviewed-by. drivers/iio/adc/at91-sama5d2_adc.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c index 50d02e5fc6fc..168399092590 100644 --- a/drivers/iio/adc/at91-sama5d2_adc.c +++ b/drivers/iio/adc/at91-sama5d2_adc.c @@ -2400,12 +2400,8 @@ static int at91_adc_probe(struct platform_device *pdev) st->dma_st.phys_addr = res->start; st->irq = platform_get_irq(pdev, 0); - if (st->irq <= 0) { - if (!st->irq) - st->irq = -ENXIO; - + if (st->irq < 0) return st->irq; - } st->per_clk = devm_clk_get(&pdev->dev, "adc_clk"); if (IS_ERR(st->per_clk)) -- 2.34.1