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In case of failure, decrement the ref count before returning.

Can it be nicer to use the term “reference count” here?

Will the tag “Fixes” become helpful for the commit message?

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+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c

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@@ -1326,6 +1331,7 @@ struct dma_fence *etnaviv_gpu_submit(struct etnaviv_gem_submit *submit) ret = event_alloc(gpu, nr_events, event); if (ret) { DRM_ERROR("no free events\n");

• pm_runtime_put_noidle(gpu->dev);
  

  return NULL; }

I suggest to move a bit of exception handling code to the end of this function implementation so that it can be better reused after the addition of a jump target like “put_runtime”.

Regards, Markus