diff options
| author | Al Viro <viro@ftp.linux.org.uk> | 2006-01-12 01:06:26 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-12 09:09:03 -0800 |
| commit | 1b7bb54a417ca73eefc52df3702ff5167b46dc89 (patch) | |
| tree | d54252ef62ea1e140613d20a7cbf6f1efaf0aba2 /arch/m68k/mvme16x/rtc.c | |
| parent | 2382f77ffcde32e5195d5c82fee91171bb764c1a (diff) | |
[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>
Diffstat (limited to 'arch/m68k/mvme16x/rtc.c')
| -rw-r--r-- | arch/m68k/mvme16x/rtc.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c index 30f5921ece9..a69fe3048ed 100644 --- a/arch/m68k/mvme16x/rtc.c +++ b/arch/m68k/mvme16x/rtc.c @@ -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; |