From e3cd8067c1cd686fed2fe75f6cf98c62fc6ff57e Mon Sep 17 00:00:00 2001
From: Ian Kent <raven@themaw.net>
Date: Tue, 15 Mar 2016 14:58:33 -0700
Subject: [PATCH] autofs4: fix invalid ioctl return in
 autofs4_root_ioctl_unlocked()

The return from an ioctl if an invalid ioctl is passed in should be
EINVAL not ENOSYS.

Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/autofs4/root.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index 101879ed764c..aa8228eb104b 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -914,7 +914,7 @@ static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp,
 					    filp->f_path.mnt, sbi, p);
 
 	default:
-		return -ENOSYS;
+		return -EINVAL;
 	}
 }
 
-- 
2.20.1