Commit d7372dfb authored May 20, 2020 by Dinghao Liu Committed by Ben Skeggs May 22, 2020

drm/nouveau: fix runtime pm imbalance on error



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>

parent 00583fbe

drivers/gpu/drm/nouveau/nouveau_gem.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -76,8 +76,10 @@ 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, vmm, &vma);
		pm_runtime_mark_last_busy(dev);

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