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media: meson: vdec: fix possible refcount leak in vdec_probe()

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[ Upstream commit 7718999356 ]

v4l2_device_unregister need to be called to put the refcount got by
v4l2_device_register when vdec_probe fails or vdec_remove is called.

Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Hangyu Hua 2022-09-06 09:46:30 +02:00 committed by Greg Kroah-Hartman
parent 8b785cdcd3
commit f96ad391d0
1 changed files with 2 additions and 0 deletions
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2
drivers/staging/media/meson/vdec/vdec.c
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@ -1105,6 +1105,7 @@ static int vdec_probe(struct platform_device *pdev)
err_vdev_release:
video_device_release(vdev);
v4l2_device_unregister(&core->v4l2_dev);
return ret;
}
@ -1113,6 +1114,7 @@ static int vdec_remove(struct platform_device *pdev)
struct amvdec_core *core = platform_get_drvdata(pdev);
video_unregister_device(core->vdev_dec);
v4l2_device_unregister(&core->v4l2_dev);
return 0;
}