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media: cedrus: fix reference leak in cedrus_start_streaming

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pm_runtime_get_sync will increment pm usage counter even it
failed. Forgetting to pm_runtime_put_noidle will result in
reference leak in cedrus_start_streaming. We should fix it.

Fixes: d5aecd289b ("media: cedrus: Implement runtime PM")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Zhang Qilong 2020-11-02 15:26:22 +01:00 committed by Mauro Carvalho Chehab
parent 4cbbe2aaa0
commit 940727bf22
1 changed files with 3 additions and 1 deletions
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4
drivers/staging/media/sunxi/cedrus/cedrus_video.c
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@ -479,8 +479,10 @@ static int cedrus_start_streaming(struct vb2_queue *vq, unsigned int count)
if (V4L2_TYPE_IS_OUTPUT(vq->type)) {
ret = pm_runtime_get_sync(dev->dev);
if (ret < 0)
if (ret < 0) {
pm_runtime_put_noidle(dev->dev);
goto err_cleanup;
}
if (dev->dec_ops[ctx->current_codec]->start) {
ret = dev->dec_ops[ctx->current_codec]->start(ctx);