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authorAlessandro Zummo <alessandro.zummo@towertech.it>2006-06-25 05:48:20 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-25 10:01:14 -0700
commit110d693d5898649da606cd6e5f6af4d7f70a405f (patch)
treea46b06a383d8a9eda59d7c7e17e8694798769800 /drivers/rtc/rtc-vr41xx.c
parent56f10c634e145d75e45b56a73f59fb6dff1caa8e (diff)
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[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>
Diffstat (limited to 'drivers/rtc/rtc-vr41xx.c')
-rw-r--r--drivers/rtc/rtc-vr41xx.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index 277596c302e3..33e029207e26 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: