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Commit ecab1f44 authored by Zhaolei's avatar Zhaolei Committed by Ralf Baechle
Browse files

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: default avatarZhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent f8d56f17

arch/mips/math-emu/cp1emu.c

+4 −4
Original line number Diff line number Diff line
@@ -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;

}