media: davinci: vpif: fix unbalanced runtime PM enable

Make sure to disable runtime PM before returning on probe errors.

Fixes: 479f7a118105 ("[media] davinci: vpif: adaptions for DT support")
Cc: stable@vger.kernel.org
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

diff --git a/drivers/media/platform/davinci/vpif.c b/drivers/media/platform/davinci/vpif.c
index 9752a5e..1f5eacf 100644 (file)
--- a/drivers/media/platform/davinci/vpif.c
+++ b/drivers/media/platform/davinci/vpif.c
@@ -428,6 +428,7 @@ static int vpif_probe(struct platform_device *pdev)
        static struct resource *res_irq;
        struct platform_device *pdev_capture, *pdev_display;
        struct device_node *endpoint = NULL;
+       int ret;
 
        vpif_base = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(vpif_base))
@@ -456,8 +457,8 @@ static int vpif_probe(struct platform_device *pdev)
        res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
        if (!res_irq) {
                dev_warn(&pdev->dev, "Missing IRQ resource.\n");
-               pm_runtime_put(&pdev->dev);
-               return -EINVAL;
+               ret = -EINVAL;
+               goto err_put_rpm;
        }
 
        pdev_capture = devm_kzalloc(&pdev->dev, sizeof(*pdev_capture),
@@ -491,6 +492,12 @@ static int vpif_probe(struct platform_device *pdev)
        }
 
        return 0;
+
+err_put_rpm:
+       pm_runtime_put(&pdev->dev);
+       pm_runtime_disable(&pdev->dev);
+
+       return ret;
 }
 
 static int vpif_remove(struct platform_device *pdev)