[PATCH AUTOSEL 4.19 13/29] media: stm32-dcmi: fix irq = 0 case

[Sasha Levin]

From: Fabien Dessenne <fabien.dessenne@xxxxxx>

[ Upstream commit dbb9fcc8c2d8d4ea1104f51d4947a8a8199a2cb5 ]

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@xxxxxx>
Reported-by: Pavel Machek <pavel@xxxxxx>
Acked-by: Pavel Machek <pavel@xxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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 d386822658922..1d9c028e52cba 100644
--- a/drivers/media/platform/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/stm32/stm32-dcmi.c
@@ -1681,7 +1681,7 @@ 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);
-- 
2.20.1