[PATCH v2] drm/etnaviv: fix ref count leak via pm_runtime_get_sync
Markus Elfring
Markus.Elfring at web.de
Mon Jun 15 15:57:38 UTC 2020
…
> 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?
…
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
…
> @@ -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
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