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MIPS: Fix debugfs_create_*'s error checking method for arch/mips/math-emu/ 

debugfs_create_*() returns NULL on error.  Make its caller debugfs_fpuemu
return -ENODEV on error.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Zhaolei 2008-10-17 19:12:30 +08:00 committed by Ralf Baechle
parent f8d56f1771
commit ecab1f4479
1 changed files with 4 additions and 4 deletions
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8
arch/mips/math-emu/cp1emu.c
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@ -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;
}