From e56710d26eba07abca34c39c50e02e854436000a Mon Sep 17 00:00:00 2001
From: Corey Minyard <cminyard@mvista.com>
Date: Fri, 6 Apr 2018 16:30:36 -0500
Subject: [PATCH] ipmi_devintf: Add an error return on invalid ioctls

Signed-off-by: Corey Minyard <cminyard@mvista.com>
---
 drivers/char/ipmi/ipmi_devintf.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index b36a91fb7cd5b1..1a486aec99b6a9 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -608,6 +608,10 @@ static long ipmi_ioctl(struct file   *file,
 		rv = ipmi_set_maintenance_mode(priv->user, mode);
 		break;
 	}
+
+	default:
+		rv = -ENOTTY;
+		break;
 	}
   
 	return rv;