[PATCH] Fix debugfs_create_*'s error checking method for mips/math-emu/

[Zhaolei <zhaolei@cn.fujitsu.com>]

Hi, 

debugfs_create_*() 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>
---
 arch/mips/math-emu/cp1emu.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index b08fc65..7ec0b21 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -1299,12 +1299,12 @@ static int __init debugfs_fpuemu(void)
        if (!mips_debugfs_dir)
                return -ENODEV;
        dir = debugfs_create_dir("fpuemustats", mips_debugfs_dir);
-       if (IS_ERR(dir))
-               return PTR_ERR(dir);
+       if (!dir)
+               return -ENOMEM;
        for (i = 0; i < ARRAY_SIZE(vars); i++) {
                d = debugfs_create_u32(vars[i].name, S_IRUGO, dir, vars[i].v);
-               if (IS_ERR(d))
-                       return PTR_ERR(d);
+               if (!d)
+                       return -ENOMEM;
        }
        return 0;
 }
-- 
1.5.5.3