FAILED: patch "[PATCH] media: davinci: vpif: fix unbalanced runtime PM enable" failed to apply to 5.4-stable tree

[<gregkh@linuxfoundation.org>]

The patch below does not apply to the 5.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From d42b3ad105b5d3481f6a56bc789aa2b27aa09325 Mon Sep 17 00:00:00 2001
From: Johan Hovold <johan@kernel.org>
Date: Wed, 22 Dec 2021 15:20:23 +0100
Subject: [PATCH] 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 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)