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authorZhaolei <zhaolei@cn.fujitsu.com>2008-10-17 19:25:09 +0800
committerPaul Mundt <lethal@linux-sh.org>2008-10-20 10:40:21 +0900
commit25627c7fd71269e2658b6872eef65719ee80b9aa (patch)
tree9f5b6f11354ef176348a42aa969c93b3f5794f8f /arch/sh/mm/pmb.c
parent9986b311efdc9727a5a48f03c3dac3d536fbaa74 (diff)
downloadop-kernel-dev-25627c7fd71269e2658b6872eef65719ee80b9aa.zip
op-kernel-dev-25627c7fd71269e2658b6872eef65719ee80b9aa.tar.gz
Fix debugfs_create_file's error checking method for arch/sh/mm/
debugfs_create_file() 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/sh/mm/pmb.c')
-rw-r--r--arch/sh/mm/pmb.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index cef7276..8424167 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -394,6 +394,8 @@ static int __init pmb_debugfs_init(void)
dentry = debugfs_create_file("pmb", S_IFREG | S_IRUGO,
sh_debugfs_root, NULL, &pmb_debugfs_fops);
+ if (!dentry)
+ return -ENOMEM;
if (IS_ERR(dentry))
return PTR_ERR(dentry);
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