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Fix debugfs_create_dir's error checking method for arch/sh/kernel/
author
Zhaolei
<zhaolei@cn.fujitsu.com>
Fri, 17 Oct 2008 11:25:03 +0000
(19:25 +0800)
committer
Paul Mundt
<lethal@linux-sh.org>
Mon, 20 Oct 2008 01:40:15 +0000
(10:40 +0900)
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>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
arch/sh/kernel/setup.c
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diff --git
a/arch/sh/kernel/setup.c
b/arch/sh/kernel/setup.c
index 267b344099c088f8494580a4451c7171b6220716..836e80d5cb9fac1805d36451a3828150d06b7f73 100644
(file)
--- a/
arch/sh/kernel/setup.c
+++ b/
arch/sh/kernel/setup.c
@@
-554,6
+554,8
@@
struct dentry *sh_debugfs_root;
static int __init sh_debugfs_init(void)
{
sh_debugfs_root = debugfs_create_dir("sh", NULL);
+ if (!sh_debugfs_root)
+ return -ENOMEM;
if (IS_ERR(sh_debugfs_root))
return PTR_ERR(sh_debugfs_root);