diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-18 15:12:41 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-18 15:12:41 -0700 |
| commit | 58f9b52ee8712283f7ffedb661df678c61e88a91 (patch) | |
| tree | fe6d2e1bca6befd8ca347487a7c053b8136320ad /kernel/posix-timers.c | |
| parent | 2af170dd241810212cbdbdc802ba7d39e3fb23b9 (diff) | |
| parent | c70878b4e0b6cf8d2f1e46319e48e821ef4a8aba (diff) | |
Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrt
* ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrt:
hrtimer: hook compat_sys_nanosleep up to high res timer code
hrtimer: Rework hrtimer_nanosleep to make sys_compat_nanosleep easier
Diffstat (limited to 'kernel/posix-timers.c')
| -rw-r--r-- | kernel/posix-timers.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index d71ed09fe1d..d11f579d189 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -981,9 +981,20 @@ sys_clock_getres(const clockid_t which_clock, struct timespec __user *tp) static int common_nsleep(const clockid_t which_clock, int flags, struct timespec *tsave, struct timespec __user *rmtp) { - return hrtimer_nanosleep(tsave, rmtp, flags & TIMER_ABSTIME ? - HRTIMER_MODE_ABS : HRTIMER_MODE_REL, - which_clock); + struct timespec rmt; + int ret; + + ret = hrtimer_nanosleep(tsave, rmtp ? &rmt : NULL, + flags & TIMER_ABSTIME ? + HRTIMER_MODE_ABS : HRTIMER_MODE_REL, + which_clock); + + if (ret && rmtp) { + if (copy_to_user(rmtp, &rmt, sizeof(*rmtp))) + return -EFAULT; + } + + return ret; } asmlinkage long |