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
Git-commit: d42b3ad105b5d3481f6a56bc789aa2b27aa09325
Patch-mainline: v5.18-rc1
References: git-fixes
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/media/platform/davinci/vpif.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
--- a/drivers/media/platform/davinci/vpif.c
+++ b/drivers/media/platform/davinci/vpif.c
@@ -428,6 +428,7 @@ static int vpif_probe(struct platform_de
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_de
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_de
}
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)