mips: kernel: 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: Yangtao Li <tiny.windzz@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Mathieu Malaterre <malat@debian.org>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Marcin Nowakowski <marcin.nowakowski@mips.com>
Cc: Yasha Cherikovsky <yasha.che3@gmail.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>

1 files changed, 3 insertions, 12 deletions

diff --git a/arch/mips/kernel/segment.c b/arch/mips/kernel/segment.c
index 2703f218202e..0a9bd7b0983b 100644
--- a/arch/mips/kernel/segment.c
+++ b/arch/mips/kernel/segment.c
@@ -95,18 +95,9 @@ static const struct file_operations segments_fops = {
 
 static int __init segments_info(void)
 {
-	struct dentry *segments;
-
-	if (cpu_has_segments) {
-		if (!mips_debugfs_dir)
-			return -ENODEV;
-
-		segments = debugfs_create_file("segments", S_IRUGO,
-					       mips_debugfs_dir, NULL,
-					       &segments_fops);
-		if (!segments)
-			return -ENOMEM;
-	}
+	if (cpu_has_segments)
+		debugfs_create_file("segments", S_IRUGO, mips_debugfs_dir, NULL,
+				    &segments_fops);
 	return 0;
 }