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 <[email protected]> Cc: Paul Burton <[email protected]> Cc: James Hogan <[email protected]> Cc: Andy Shevchenko <[email protected]> Cc: [email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: Paul Burton <[email protected]>
josf · Jan 22, 2019 · 864cc36 · 864cc36
1 parent 4c90de4
commit 864cc36
Showing 1 changed file with 3 additions and 12 deletions.
diff --git 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);