linux-kernel - [PATCH] media: stm32-dcmi: fix irq = 0 case

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Date:   Fri, 31 May 2019 11:18:15 +0200
From:   Fabien Dessenne <fabien.dessenne@...com>
To:     Hugues Fruchet <hugues.fruchet@...com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        "Alexandre Torgue" <alexandre.torgue@...com>,
        Pavel Machek <pavel@...x.de>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        <linux-media@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     Fabien Dessenne <fabien.dessenne@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH] media: stm32-dcmi: fix irq = 0 case

Manage the irq = 0 case, where we shall return an error.

Fixes: b5b5a27bee58 ("media: stm32-dcmi: return appropriate error codes during probe")
Signed-off-by: Fabien Dessenne <fabien.dessenne@...com>
---
 drivers/media/platform/stm32/stm32-dcmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c
index b9dad0a..d855e9c 100644
--- a/drivers/media/platform/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/stm32/stm32-dcmi.c
@@ -1702,7 +1702,7 @@ static int dcmi_probe(struct platform_device *pdev)
 	if (irq <= 0) {
 		if (irq != -EPROBE_DEFER)
 			dev_err(&pdev->dev, "Could not get irq\n");
-		return irq;
+		return irq ? irq : -ENXIO;
 	}
 
 	dcmi->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-- 
2.7.4