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authorZhaolei <zhaolei@cn.fujitsu.com>2008-10-17 19:25:03 +0800
committerPaul Mundt <lethal@linux-sh.org>2008-10-20 10:40:15 +0900
commit9986b311efdc9727a5a48f03c3dac3d536fbaa74 (patch)
tree7124d9785bf210d8bc79a604ff23dd1047051366 /arch
parenta3e0270663a520a2cb8c7418c098676f25478d2f (diff)
Fix debugfs_create_dir's error checking method for arch/sh/kernel/
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/sh/kernel/setup.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 267b344099c0..836e80d5cb9f 100644
--- 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);