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ASoC: mediatek: sof-common: Add NULL check for normal_link string 

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>
This commit is contained in:
AngeloGioacchino Del Regno 2024-01-11 11:52:26 +01:00 committed by Mark Brown
parent e70b8dd267
commit e3b3ec967a
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1 changed files with 1 additions and 1 deletions
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2
sound/soc/mediatek/common/mtk-dsp-sof-common.c
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@ -24,7 +24,7 @@ int mtk_sof_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_soc_dai_link *sof_dai_link = NULL;
const struct sof_conn_stream *conn = &sof_priv->conn_streams[i];
if (strcmp(rtd->dai_link->name, conn->normal_link))
if (conn->normal_link && strcmp(rtd->dai_link->name, conn->normal_link))
continue;
for_each_card_rtds(card, runtime) {