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

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debugfs_create_dir() returns NULL if an error occurs, returns -ENODEV
when debugfs is not enabled in the kernel.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Zhaolei 2008-10-17 21:04:55 +08:00 committed by Takashi Iwai
parent cdbdd1676a
commit 7c2dfee848
1 changed files with 1 additions and 1 deletions
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2
sound/soc/soc-dapm.c
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@ -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