From 110d693d5898649da606cd6e5f6af4d7f70a405f Mon Sep 17 00:00:00 2001
From: Alessandro Zummo <alessandro.zummo@towertech.it>
Date: Sun, 25 Jun 2006 05:48:20 -0700
Subject: [PATCH] rtc subsystem: add capability checks

Centralize CAP_SYS_XXX checks to avoid duplicate code and missing checks in
the drivers.

Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 drivers/rtc/rtc-vr41xx.c | 8 --------
 1 file changed, 8 deletions(-)

(limited to 'drivers/rtc/rtc-vr41xx.c')

diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index 277596c302e..33e029207e2 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -81,7 +81,6 @@ MODULE_LICENSE("GPL");
 
 #define RTC_FREQUENCY		32768
 #define MAX_PERIODIC_RATE	6553
-#define MAX_USER_PERIODIC_RATE	64
 
 static void __iomem *rtc1_base;
 static void __iomem *rtc2_base;
@@ -240,9 +239,6 @@ static int vr41xx_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long
 		if (arg > MAX_PERIODIC_RATE)
 			return -EINVAL;
 
-		if (arg > MAX_USER_PERIODIC_RATE && capable(CAP_SYS_RESOURCE) == 0)
-			return -EACCES;
-
 		periodic_frequency = arg;
 
 		count = RTC_FREQUENCY;
@@ -263,10 +259,6 @@ static int vr41xx_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long
 		/* Doesn't support before 1900 */
 		if (arg < 1900)
 			return -EINVAL;
-
-		if (capable(CAP_SYS_TIME) == 0)
-			return -EACCES;
-
 		epoch = arg;
 		break;
 	default:
-- 
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