ASoC: soc-pcm: makes snd_soc_dpcm_can_be_xxx() local
Merge series from Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>:
No driver is calling snd_soc_dpcm_can_be_xxx() functions. We don't need
to have EXPORT_SYMBOL_GPL() for them. This patch-set makes it static function.
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index d7d6dbb..ad289f9 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -2254,7 +2254,7 @@ static const struct file_operations dapm_bias_fops = {
void snd_soc_dapm_debugfs_init(struct snd_soc_dapm_context *dapm,
struct dentry *parent)
{
- if (!parent || IS_ERR(parent))
+ if (IS_ERR_OR_NULL(parent))
return;
dapm->debugfs_dapm = debugfs_create_dir("dapm", parent);
