linux-kernel - [PATCH 5.16 0177/1017] media: davinci: vpif: fix unbalanced runtime PM get

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Message-Id: <20220405070359.486183704@linuxfoundation.org>
Date:   Tue,  5 Apr 2022 09:18:10 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        "Lad, Prabhakar" <prabhakar.csengg@...il.com>,
        Johan Hovold <johan@...nel.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Lad@...r.kernel.org
Subject: [PATCH 5.16 0177/1017] media: davinci: vpif: fix unbalanced runtime PM get

From: Johan Hovold <johan@...nel.org>

commit 4a321de239213300a714fa0353a5f1272d381a44 upstream.

Make sure to balance the runtime PM usage counter on driver unbind.

Fixes: 407ccc65bfd2 ("[media] davinci: vpif: add pm_runtime support")
Cc: stable@...r.kernel.org      # 3.9
Cc: Lad, Prabhakar <prabhakar.csengg@...il.com>
Signed-off-by: Johan Hovold <johan@...nel.org>
Reviewed-by: Lad Prabhakar <prabhakar.csengg@...il.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/media/platform/davinci/vpif.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/media/platform/davinci/vpif.c
+++ b/drivers/media/platform/davinci/vpif.c
@@ -495,6 +495,7 @@ static int vpif_probe(struct platform_de
 
 static int vpif_remove(struct platform_device *pdev)
 {
+	pm_runtime_put(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 	return 0;
 }