From: Zhang Qilong zhangqilong3@huawei.com
[ Upstream commit 940727bf22f74cbdef8de327de34c4ae565c89ea ]
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: d5aecd289babf ("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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/staging/media/sunxi/cedrus/cedrus_video.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/media/sunxi/cedrus/cedrus_video.c b/drivers/staging/media/sunxi/cedrus/cedrus_video.c index 667b86dde1ee8..911f607d9b092 100644 --- a/drivers/staging/media/sunxi/cedrus/cedrus_video.c +++ b/drivers/staging/media/sunxi/cedrus/cedrus_video.c @@ -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);