[PATCH] Fix debugfs_create_dir's error checking method for sound/soc/

From: Zhaolei
Date: Fri Oct 17 2008 - 09:06:26 EST


Hi,

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@xxxxxxxxxxxxxx>
---
sound/soc/soc-dapm.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index efbd0b3..7351db9 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -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
--
1.5.5.3


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