Fix debugfs_create_dir's error checking method for arch/sh/kernel/
authorZhaolei <zhaolei@cn.fujitsu.com>
Fri, 17 Oct 2008 11:25:03 +0000 (19:25 +0800)
committerPaul 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

index 267b344099c088f8494580a4451c7171b6220716..836e80d5cb9fac1805d36451a3828150d06b7f73 100644 (file)
@@ -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);