From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 6 Dec 2010 08:48:03 +0000 (+0800)
Subject: ASoC: Hold client_mutex while calling snd_soc_instantiate_cards()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1dcb4f38e5bc28dfce0f8c7eef184a090b03bfc7;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

ASoC: Hold client_mutex while calling snd_soc_instantiate_cards()

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>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 441285ade024..02ae7bea3b50 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3072,7 +3072,9 @@ 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: