ASoC: soc-core: tidyup for snd_soc_dapm_add_routes()
snd_soc_dapm_add_routes() registers routes by using for(... i < num; ...). If routes was NULL, num should be zero. Thus, we don't need to check about route pointer. This patch also cares missing return value. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://lore.kernel.org/r/87d0hhahon.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>
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