Messages in this thread Patch in this message | | | From | Dinghao Liu <> | Subject | [PATCH] drm/v3d: fix runtime pm imbalance on error | Date | Wed, 20 May 2020 20:07:51 +0800 |
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pm_runtime_get_sync() increments the runtime PM usage counter even the call returns an error code. Thus a pairing decrement is needed on the error handling path to keep the counter balanced.
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn> --- drivers/gpu/drm/v3d/v3d_gem.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c index 549dde83408b..d53c683ed74c 100644 --- a/drivers/gpu/drm/v3d/v3d_gem.c +++ b/drivers/gpu/drm/v3d/v3d_gem.c @@ -440,8 +440,10 @@ v3d_job_init(struct v3d_dev *v3d, struct drm_file *file_priv, job->free = free; ret = pm_runtime_get_sync(v3d->dev); - if (ret < 0) + if (ret < 0) { + pm_runtime_put_autosuspend(v3d->dev); return ret; + } xa_init_flags(&job->deps, XA_FLAGS_ALLOC); -- 2.17.1
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