From c8ed39ebe0cf490abd7bf7c77b728dd6fefb2cf8 Mon Sep 17 00:00:00 2001
From: Thomas Hommel <thomas.hommel@gefanuc.com>
Date: Tue, 31 Jul 2007 00:37:31 -0700
Subject: [PATCH] rtc-dev: Make RTC driver return ENOTTY instead of ENOIOCTLCMD

Prevent the RTC driver from returning ENOIOCTLCMD to userspace.

Signed-off-by: Thomas Hommel <thomas.hommel@gefanuc.com>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/rtc/rtc-dev.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c
index 304535942de..005fff3a350 100644
--- a/drivers/rtc/rtc-dev.c
+++ b/drivers/rtc/rtc-dev.c
@@ -348,6 +348,8 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file,
 	case RTC_IRQP_SET:
 		if (ops->irq_set_freq)
 			err = rtc_irq_set_freq(rtc, rtc->irq_task, arg);
+		else
+			err = -ENOTTY;
 		break;
 
 #if 0
-- 
2.41.1