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ASoC: mt8173: Fix platform_get_irq's error checking

The platform_get_irq() function returns negative if an error occurs.
zero or positive number on success. platform_get_irq() error checking
for zero is not correct.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Arvind Yadav 7 years ago
parent
commit
d6e2c4ffdf
1 changed files with 3 additions and 3 deletions
  1. 3 3
      sound/soc/mediatek/mt8173/mt8173-afe-pcm.c

+ 3 - 3
sound/soc/mediatek/mt8173/mt8173-afe-pcm.c

@@ -1083,7 +1083,7 @@ static int mt8173_afe_init_audio_clk(struct mtk_base_afe *afe)
 static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
 static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
 {
 {
 	int ret, i;
 	int ret, i;
-	unsigned int irq_id;
+	int irq_id;
 	struct mtk_base_afe *afe;
 	struct mtk_base_afe *afe;
 	struct mt8173_afe_private *afe_priv;
 	struct mt8173_afe_private *afe_priv;
 	struct resource *res;
 	struct resource *res;
@@ -1105,9 +1105,9 @@ static int mt8173_afe_pcm_dev_probe(struct platform_device *pdev)
 	afe->dev = &pdev->dev;
 	afe->dev = &pdev->dev;
 
 
 	irq_id = platform_get_irq(pdev, 0);
 	irq_id = platform_get_irq(pdev, 0);
-	if (!irq_id) {
+	if (irq_id <= 0) {
 		dev_err(afe->dev, "np %s no irq\n", afe->dev->of_node->name);
 		dev_err(afe->dev, "np %s no irq\n", afe->dev->of_node->name);
-		return -ENXIO;
+		return irq_id < 0 ? irq_id : -ENXIO;
 	}
 	}
 	ret = devm_request_irq(afe->dev, irq_id, mt8173_afe_irq_handler,
 	ret = devm_request_irq(afe->dev, irq_id, mt8173_afe_irq_handler,
 			       0, "Afe_ISR_Handle", (void *)afe);
 			       0, "Afe_ISR_Handle", (void *)afe);