From: Liam Girdwood Date: Tue, 24 May 2011 12:57:43 +0000 (+0100) Subject: ASoC: core - fix module reference counting for CPU DAIs X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=61b61e3c5c9bf37ca2915ac981f444989ab22f10;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git ASoC: core - fix module reference counting for CPU DAIs Currently CODEC and platform drivers have their module reference count incremented soc_probe_dai_link() whilst CPU DAI drivers have their reference count incremented in soc_bind_dai_link(). CPU DAIs should have their reference count incremented in soc_probe_dai_link() just like the CODEC and platform drivers. Signed-off-by: Liam Girdwood Signed-off-by: Mark Brown --- diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index bb7cd5812945..07991d438796 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -1306,10 +1306,6 @@ static int soc_bind_dai_link(struct snd_soc_card *card, int num) /* no, then find CPU DAI from registered DAIs*/ list_for_each_entry(cpu_dai, &dai_list, list) { if (!strcmp(cpu_dai->name, dai_link->cpu_dai_name)) { - - if (!try_module_get(cpu_dai->dev->driver->owner)) - return -ENODEV; - rtd->cpu_dai = cpu_dai; goto find_codec; } @@ -1621,12 +1617,17 @@ static int soc_probe_dai_link(struct snd_soc_card *card, int num) rtd->pmdown_time = pmdown_time; /* probe the cpu_dai */ + if (!cpu_dai->probed) { + if (!try_module_get(cpu_dai->dev->driver->owner)) + return -ENODEV; + if (cpu_dai->driver->probe) { ret = cpu_dai->driver->probe(cpu_dai); if (ret < 0) { printk(KERN_ERR "asoc: failed to probe CPU DAI %s\n", cpu_dai->name); + module_put(cpu_dai->dev->driver->owner); return ret; } }