提交 7c2dfee8 编写于 作者: Z Zhaolei 提交者: Takashi Iwai

ALSA: Fix debugfs_create_dir's error checking method for sound/soc/

debugfs_create_dir() returns NULL if an error occurs, returns -ENODEV
when debugfs is not enabled in the kernel.
Signed-off-by: NZhao Lei <zhaolei@cn.fujitsu.com>
Acked-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
上级 cdbdd167
......@@ -831,7 +831,7 @@ int snd_soc_dapm_sys_add(struct device *dev)
return ret;
asoc_debugfs = debugfs_create_dir("asoc", NULL);
if (!IS_ERR(asoc_debugfs))
if (!IS_ERR(asoc_debugfs) && asoc_debugfs)
debugfs_create_u32("dapm_pop_time", 0744, asoc_debugfs,
&pop_time);
else
......
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