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media: media/pci: Fix memleak in empress_init

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[ Upstream commit 15d0c52241ecb1c9d802506bff6f5c3f7872c0df ]

When vb2_queue_init() fails, dev->empress_dev
should be released just like other error handling
paths.

Fixes: 2ada815fc4 ("[media] saa7134: convert to vb2")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dinghao Liu 2021-01-02 07:27:22 +01:00 committed by Greg Kroah-Hartman
parent 451c7cb236
commit 172e30ea38
1 changed files with 4 additions and 1 deletions
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5
drivers/media/pci/saa7134/saa7134-empress.c
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@ -282,8 +282,11 @@ static int empress_init(struct saa7134_dev *dev)
q->lock = &dev->lock;
q->dev = &dev->pci->dev;
err = vb2_queue_init(q);
if (err)
if (err) {
video_device_release(dev->empress_dev);
dev->empress_dev = NULL;
return err;
}
dev->empress_dev->queue = q;
dev->empress_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
V4L2_CAP_VIDEO_CAPTURE;