commit 9986b311efdc9727a5a48f03c3dac3d536fbaa74
author Zhaolei <zhaolei@cn.fujitsu.com> Fri Oct 17 19:25:03 2008 +0800
committer Paul Mundt <lethal@linux-sh.org> Mon Oct 20 10:40:15 2008 +0900
tree 7124d9785bf210d8bc79a604ff23dd1047051366
parent a3e0270663a520a2cb8c7418c098676f25478d2f

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>

arch/sh/kernel/setup.c

diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 267b344..836e80d 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -554,6 +554,8 @@
 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);