[PATCH] m68k: rtc __user annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c
index 30f5921..a69fe30 100644
--- a/arch/m68k/mvme16x/rtc.c
+++ b/arch/m68k/mvme16x/rtc.c
@@ -45,6 +45,7 @@
volatile MK48T08ptr_t rtc = (MK48T08ptr_t)MVME_RTC_BASE;
unsigned long flags;
struct rtc_time wtime;
+ void __user *argp = (void __user *)arg;
switch (cmd) {
case RTC_RD_TIME: /* Read the time/date from RTC */
@@ -64,7 +65,7 @@
wtime.tm_wday = BCD2BIN(rtc->bcd_dow)-1;
rtc->ctrl = 0;
local_irq_restore(flags);
- return copy_to_user((void *)arg, &wtime, sizeof wtime) ?
+ return copy_to_user(argp, &wtime, sizeof wtime) ?
-EFAULT : 0;
}
case RTC_SET_TIME: /* Set the RTC */
@@ -76,8 +77,7 @@
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- if (copy_from_user(&rtc_tm, (struct rtc_time*)arg,
- sizeof(struct rtc_time)))
+ if (copy_from_user(&rtc_tm, argp, sizeof(struct rtc_time)))
return -EFAULT;
yrs = rtc_tm.tm_year;