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authorRohit kumar <rohitkr@codeaurora.org>2019-01-10 14:32:41 +0530
committerMark Brown <broonie@kernel.org>2019-01-10 12:04:28 +0000
commit04eb1efcd614d6f067b76a355b3a3599667959dc (patch)
treeb4dd9ac4334e2bfab318d55c6f3bec2a94b03dc4 /sound
parent239b8b34a856777e562373ae0de605536a7ccade (diff)
downloadlinux-04eb1efcd614d6f067b76a355b3a3599667959dc.tar.bz2
ASoC: soc-core: Hold client_mutex around soc_init_dai_link()
soc_init_dai_link() calls soc_find_component() which needs to be within client_mutex lock. Add client_mutex lock around soc_init_dai_link() in snd_soc_register_card() to avoid lockdep warning. Fixes: 8780cf1142a5 ("ASoC: soc-core: defer card probe until all component is added to list") Reported-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Rohit kumar <rohitkr@codeaurora.org> Signed-off-by: Ajit Pandey <ajitp@codeaurora.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/soc-core.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index eec92f17dd15..0934b36645b3 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1027,6 +1027,7 @@ static int snd_soc_init_platform(struct snd_soc_card *card,
struct snd_soc_dai_link *dai_link)
{
struct snd_soc_dai_link_component *platform = dai_link->platform;
+
/*
* FIXME
*
@@ -2754,15 +2755,18 @@ int snd_soc_register_card(struct snd_soc_card *card)
if (!card->name || !card->dev)
return -EINVAL;
+ mutex_lock(&client_mutex);
for_each_card_prelinks(card, i, link) {
ret = soc_init_dai_link(card, link);
if (ret) {
dev_err(card->dev, "ASoC: failed to init link %s\n",
link->name);
+ mutex_unlock(&client_mutex);
return ret;
}
}
+ mutex_unlock(&client_mutex);
dev_set_drvdata(card->dev, card);