From: Dinghao Liu dinghao.liu@zju.edu.cn
[ Upstream commit d7372dfb3f7f1602b87e0663e8b8646da23ebca7 ]
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 Signed-off-by: Ben Skeggs bskeggs@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/nouveau/nouveau_gem.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c index 791f970714ed6..a98fccb0d32f9 100644 --- a/drivers/gpu/drm/nouveau/nouveau_gem.c +++ b/drivers/gpu/drm/nouveau/nouveau_gem.c @@ -82,8 +82,10 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv) return ret;
ret = pm_runtime_get_sync(dev); - if (ret < 0 && ret != -EACCES) + if (ret < 0 && ret != -EACCES) { + pm_runtime_put_autosuspend(dev); goto out; + }
ret = nouveau_vma_new(nvbo, &cli->vmm, &vma); pm_runtime_mark_last_busy(dev);