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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        "Lad, Prabhakar" <prabhakar.csengg@gmail.com>,
        Johan Hovold <johan@kernel.org>,
        Hans Verkuil <hverkuil-cisco@xs4all.nl>,
        Mauro Carvalho Chehab <mchehab@kernel.org>,
        Lad@vger.kernel.org
Subject: [PATCH 4.9 036/218] media: davinci: vpif: fix unbalanced runtime PM get
Date:   Mon, 18 Apr 2022 14:11:42 +0200
Message-Id: <20220418121200.508064197@linuxfoundation.org>
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From: Johan Hovold <johan@kernel.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@vger.kernel.org      # 3.9
Cc: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Lad Prabhakar <prabhakar.csengg@gmail.com>
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 |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/media/platform/davinci/vpif.c
+++ b/drivers/media/platform/davinci/vpif.c
@@ -437,6 +437,7 @@ 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;
 }