ASoC: dapm: Use IS_ERR_OR_NULL() helper function

Use the IS_ERR_OR_NULL() helper instead of open-coding a
NULL and an error pointer checks to simplify the code and
improve readability.

Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Link: https://patch.msgid.link/20240828122829.3697502-1-lihongbo22@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index d7d6dbb9d9eae2e2c73985353d17d1fc3d73c5ab..ad289f91b13a8fc5673f1e1f2e6f4b56d79609bf 100644 (file)
--- 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);