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[PATCH] m68k: rtc __user annotations

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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>
This commit is contained in:
Al Viro 2006-01-12 01:06:26 -08:00 committed by Linus Torvalds
parent 2382f77ffc
commit 1b7bb54a41
2 changed files with 6 additions and 6 deletions
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6
arch/m68k/bvme6000/rtc.c
View file

@ -47,6 +47,7 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
unsigned char msr;
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 */
@ -69,7 +70,7 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
} while (wtime.tm_sec != BCD2BIN(rtc->bcd_sec));
rtc->msr = msr;
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 */
@ -81,8 +82,7 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
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;

6
arch/m68k/mvme16x/rtc.c
View file

@ -45,6 +45,7 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
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 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
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 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
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;