From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel <linux-kernel@vger.kernel.org>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
alsa-devel@alsa-project.org
Subject: [PATCH] ASoC: Hold client_mutex while calling snd_soc_instantiate_cards()
Date: Mon, 06 Dec 2010 16:48:03 +0800 [thread overview]
Message-ID: <1291625283.11404.2.camel@mola> (raw)
As the comments of snd_soc_instantiate_cards() said,
snd_soc_instantiate_cards() must be called with client_mutex.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
sound/soc/soc-core.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index eb950f7..0d69b91 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3299,7 +3299,9 @@ int snd_soc_register_dais(struct device *dev,
pr_debug("Registered DAI '%s'\n", dai->name);
}
+ mutex_lock(&client_mutex);
snd_soc_instantiate_cards();
+ mutex_unlock(&client_mutex);
return 0;
err:
--
1.7.2
next reply other threads:[~2010-12-06 8:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-06 8:48 Axel Lin [this message]
2010-12-06 12:36 ` [PATCH] ASoC: Hold client_mutex while calling snd_soc_instantiate_cards() Liam Girdwood
2010-12-06 12:55 ` Mark Brown
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