From 20f974dce5df2de0c0267370d176b801e21051c3 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
commit d42b3ad105b5d3481f6a56bc789aa2b27aa09325 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 ff96fc82b70c..ee610daf90a3 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, *res_irq;
struct platform_device *pdev_capture, *pdev_display;
struct device_node *endpoint = NULL;
+ int ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
vpif_base = devm_ioremap_resource(&pdev->dev, res);
@@ -458,8 +459,8 @@ 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),
@@ -493,6 +494,12 @@ 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)