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 <[email protected]>
---
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 667b86dde1ee..911f607d9b09 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);
--
2.17.1
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