[PATCH v4 3/5] soc: mediatek: pwrap: Check return value of platform_get_irq()
From: AngeloGioacchino Del Regno
Date: Tue May 17 2022 - 06:47:49 EST
Check for the return value of platform_get_irq(): if no interrupt
is specified, it wouldn't make sense to call devm_request_irq().
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
drivers/soc/mediatek/mtk-pmic-wrap.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 852514366f1f..04b51d21a5b0 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -2317,6 +2317,11 @@ static int pwrap_probe(struct platform_device *pdev)
pwrap_writel(wrp, wrp->master->int1_en_all, PWRAP_INT1_EN);
irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ ret = irq;
+ goto err_out2;
+ }
+
ret = devm_request_irq(wrp->dev, irq, pwrap_interrupt,
IRQF_TRIGGER_HIGH,
"mt-pmic-pwrap", wrp);
--
2.35.1