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Subject[PATCH 2/4] media: davinci: vpif: fix unbalanced runtime PM enable
Date
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 # 4.12: 4024d6f601e3c
Cc: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/media/platform/davinci/vpif.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/davinci/vpif.c b/drivers/media/platform/davinci/vpif.c
index 9752a5ec36f7..1f5eacf48580 100644
--- 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)
--
2.32.0
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