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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-22 15:57:40 +0100
committerPaul Burton <paul.burton@mips.com>2019-01-22 11:17:20 -0800
commit864cc363bc3858b12c645b18eabdec19354e470e (patch)
tree093ce8457fcf65c64e9cb7caede8327f0c85cbf2 /arch/mips/mm/sc-debugfs.c
parent4c90de4dd33d90a3d98dd7bc510cd7ed688634be (diff)
downloadlinux-864cc363bc3858b12c645b18eabdec19354e470e.tar.gz
mips: mm: no need to check return value of debugfs_create functions
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Cc: James Hogan <jhogan@kernel.org> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: linux-mips@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Paul Burton <paul.burton@mips.com>
Diffstat (limited to 'arch/mips/mm/sc-debugfs.c')
-rw-r--r--arch/mips/mm/sc-debugfs.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/arch/mips/mm/sc-debugfs.c b/arch/mips/mm/sc-debugfs.c
index 2a116084216f..9507421de335 100644
--- a/arch/mips/mm/sc-debugfs.c
+++ b/arch/mips/mm/sc-debugfs.c
@@ -55,20 +55,11 @@ static const struct file_operations sc_prefetch_fops = {
static int __init sc_debugfs_init(void)
{
- struct dentry *dir, *file;
-
- if (!mips_debugfs_dir)
- return -ENODEV;
+ struct dentry *dir;
dir = debugfs_create_dir("l2cache", mips_debugfs_dir);
- if (IS_ERR(dir))
- return PTR_ERR(dir);
-
- file = debugfs_create_file("prefetch", S_IRUGO | S_IWUSR, dir,
- NULL, &sc_prefetch_fops);
- if (!file)
- return -ENOMEM;
-
+ debugfs_create_file("prefetch", S_IRUGO | S_IWUSR, dir, NULL,
+ &sc_prefetch_fops);
return 0;
}
late_initcall(sc_debugfs_init);