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[PATCH] rtc subsystem: add capability checks

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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>
This commit is contained in:
Alessandro Zummo
2006-06-25 05:48:20 -07:00
committed by Linus Torvalds
parent 56f10c634e
commit 110d693d58
5 changed files with 24 additions and 19 deletions
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4
drivers/rtc/rtc-sa1100.c
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@@ -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;
}