[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>

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index a997529f892..ab486fbc828 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -229,8 +229,6 @@ static int sa1100_rtc_ioctl(struct device *dev, unsigned int cmd,
                 spin_unlock_irq(&sa1100_rtc_lock);
                 return 0;
         case RTC_PIE_ON:
-                if ((rtc_freq > 64) && !capable(CAP_SYS_RESOURCE))
-                        return -EACCES;
                 spin_lock_irq(&sa1100_rtc_lock);
                 OSMR1 = TIMER_FREQ/rtc_freq + OSCR;
                 OIER |= OIER_E1;
@@ -242,8 +240,6 @@ static int sa1100_rtc_ioctl(struct device *dev, unsigned int cmd,
         case RTC_IRQP_SET:
                 if (arg < 1 || arg > TIMER_FREQ)
                         return -EINVAL;
-                if ((arg > 64) && (!capable(CAP_SYS_RESOURCE)))
-                        return -EACCES;
                 rtc_freq = arg;
                 return 0;
         }