From mboxrd@z Thu Jan 1 00:00:00 1970 From: arvind.yadav.cs@gmail.com (Arvind Yadav) Date: Sat, 18 Nov 2017 01:03:24 +0530 Subject: [PATCH 1/5] ASoC: ep93xx-ac97: Fix platform_get_irq's error checking In-Reply-To: <1510947208-17134-1-git-send-email-arvind.yadav.cs@gmail.com> References: <1510947208-17134-1-git-send-email-arvind.yadav.cs@gmail.com> Message-ID: <1510947208-17134-2-git-send-email-arvind.yadav.cs@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- sound/soc/cirrus/ep93xx-ac97.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/cirrus/ep93xx-ac97.c b/sound/soc/cirrus/ep93xx-ac97.c index bbf7a92..d66c561 100644 --- a/sound/soc/cirrus/ep93xx-ac97.c +++ b/sound/soc/cirrus/ep93xx-ac97.c @@ -378,8 +378,8 @@ static int ep93xx_ac97_probe(struct platform_device *pdev) return PTR_ERR(info->regs); irq = platform_get_irq(pdev, 0); - if (!irq) - return -ENODEV; + if (irq < 0) + return irq; ret = devm_request_irq(&pdev->dev, irq, ep93xx_ac97_interrupt, IRQF_TRIGGER_HIGH, pdev->name, info); -- 2.7.4