The call looks up an ATIShader and creates it if it doesn't
already exist. However we weren't locking the hash between looking
up the name and adding it to the hash so it could be possible
another thread also generated the same name.
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Fixes: 842c91300f ("mesa: enable GL name reuse by default for all drivers except virgl")
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34091>
4c1e4d7b49