diff mbox series

[3/5] mips: mm: no need to check return value of debugfs_create functions

Message ID 20190122145742.11292-4-gregkh@linuxfoundation.org (mailing list archive)
State Accepted
Headers show
Series mips: cleanup debugfs usage | expand

Commit Message

Greg Kroah-Hartman Jan. 22, 2019, 2:57 p.m. UTC 
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>
---
 arch/mips/mm/sc-debugfs.c | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)
diff mbox series

Patch

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);