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

[Zhaolei]

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@xxxxxxxxxxxxxx>
---
 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


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