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ASoC: mediatek: sof-common: Add NULL check for normal_link string
[ Upstream commite3b3ec967a
] It's not granted that all entries of struct sof_conn_stream declare a `normal_link` (a non-SOF, direct link) string, and this is the case for SoCs that support only SOF paths (hence do not support both direct and SOF usecases). For example, in the case of MT8188 there is no normal_link string in any of the sof_conn_stream entries and there will be more drivers doing that in the future. To avoid possible NULL pointer KPs, add a NULL check for `normal_link`. Fixes:0caf1120c5
("ASoC: mediatek: mt8195: extract SOF common code") Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://msgid.link/r/20240111105226.117603-1-angelogioacchino.delregno@collabora.com Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -24,7 +24,7 @@ int mtk_sof_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
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struct snd_soc_dai_link *sof_dai_link = NULL;
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const struct sof_conn_stream *conn = &sof_priv->conn_streams[i];
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if (strcmp(rtd->dai_link->name, conn->normal_link))
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if (conn->normal_link && strcmp(rtd->dai_link->name, conn->normal_link))
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continue;
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for_each_card_rtds(card, runtime) {
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