ASoC: Hold client_mutex while calling snd_soc_instantiate_cards()
Axel Lin [Mon, 6 Dec 2010 08:48:03 +0000 (16:48 +0800)]
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>

sound/soc/soc-core.c

index 441285a..02ae7be 100644 (file)
@@ -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: