From: Dinghao Liu <dinghao.liu@zju.edu.cn>
Date: Sat, 23 May 2020 11:49:17 +0000 (+0200)
Subject: media: vpif: Fix runtime PM imbalance in vpif_probe
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4024d6f601e3c49bae9297930970f68d2621ea1d;p=linux.git

media: vpif: Fix runtime PM imbalance in vpif_probe

When platform_get_resource() returns an error code, a
pairing runtime PM usage counter decrement is needed
to keep the counter balanced.

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Reviewed-by: Lad Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---

diff --git a/drivers/media/platform/davinci/vpif.c b/drivers/media/platform/davinci/vpif.c
index df66461f5d4f1..f28c1b27eac69 100644
--- a/drivers/media/platform/davinci/vpif.c
+++ b/drivers/media/platform/davinci/vpif.c
@@ -458,6 +458,7 @@ 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;
 	}