diff options
Diffstat (limited to 'kernel/time')
| -rw-r--r-- | kernel/time/posix-timers.c | 44 |
1 files changed, 16 insertions, 28 deletions
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c index 4b0fc3b0a1c4..13d6881f908b 100644 --- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -739,13 +739,11 @@ static int do_timer_gettime(timer_t timer_id, struct itimerspec64 *setting) SYSCALL_DEFINE2(timer_gettime, timer_t, timer_id, struct itimerspec __user *, setting) { - struct itimerspec64 cur_setting64; + struct itimerspec64 cur_setting; - int ret = do_timer_gettime(timer_id, &cur_setting64); + int ret = do_timer_gettime(timer_id, &cur_setting); if (!ret) { - struct itimerspec cur_setting; - cur_setting = itimerspec64_to_itimerspec(&cur_setting64); - if (copy_to_user(setting, &cur_setting, sizeof (cur_setting))) + if (put_itimerspec64(&cur_setting, setting)) ret = -EFAULT; } return ret; @@ -755,13 +753,11 @@ SYSCALL_DEFINE2(timer_gettime, timer_t, timer_id, COMPAT_SYSCALL_DEFINE2(timer_gettime, timer_t, timer_id, struct compat_itimerspec __user *, setting) { - struct itimerspec64 cur_setting64; + struct itimerspec64 cur_setting; - int ret = do_timer_gettime(timer_id, &cur_setting64); + int ret = do_timer_gettime(timer_id, &cur_setting); if (!ret) { - struct itimerspec cur_setting; - cur_setting = itimerspec64_to_itimerspec(&cur_setting64); - if (put_compat_itimerspec(setting, &cur_setting)) + if (put_compat_itimerspec64(&cur_setting, setting)) ret = -EFAULT; } return ret; @@ -907,23 +903,19 @@ SYSCALL_DEFINE4(timer_settime, timer_t, timer_id, int, flags, const struct itimerspec __user *, new_setting, struct itimerspec __user *, old_setting) { - struct itimerspec64 new_spec64, old_spec64; - struct itimerspec64 *rtn = old_setting ? &old_spec64 : NULL; - struct itimerspec new_spec; + struct itimerspec64 new_spec, old_spec; + struct itimerspec64 *rtn = old_setting ? &old_spec : NULL; int error = 0; if (!new_setting) return -EINVAL; - if (copy_from_user(&new_spec, new_setting, sizeof (new_spec))) + if (get_itimerspec64(&new_spec, new_setting)) return -EFAULT; - new_spec64 = itimerspec_to_itimerspec64(&new_spec); - error = do_timer_settime(timer_id, flags, &new_spec64, rtn); + error = do_timer_settime(timer_id, flags, &new_spec, rtn); if (!error && old_setting) { - struct itimerspec old_spec; - old_spec = itimerspec64_to_itimerspec(&old_spec64); - if (copy_to_user(old_setting, &old_spec, sizeof (old_spec))) + if (put_itimerspec64(&old_spec, old_setting)) error = -EFAULT; } return error; @@ -934,22 +926,18 @@ COMPAT_SYSCALL_DEFINE4(timer_settime, timer_t, timer_id, int, flags, struct compat_itimerspec __user *, new, struct compat_itimerspec __user *, old) { - struct itimerspec64 new_spec64, old_spec64; - struct itimerspec64 *rtn = old ? &old_spec64 : NULL; - struct itimerspec new_spec; + struct itimerspec64 new_spec, old_spec; + struct itimerspec64 *rtn = old ? &old_spec : NULL; int error = 0; if (!new) return -EINVAL; - if (get_compat_itimerspec(&new_spec, new)) + if (get_compat_itimerspec64(&new_spec, new)) return -EFAULT; - new_spec64 = itimerspec_to_itimerspec64(&new_spec); - error = do_timer_settime(timer_id, flags, &new_spec64, rtn); + error = do_timer_settime(timer_id, flags, &new_spec, rtn); if (!error && old) { - struct itimerspec old_spec; - old_spec = itimerspec64_to_itimerspec(&old_spec64); - if (put_compat_itimerspec(old, &old_spec)) + if (put_compat_itimerspec64(&old_spec, old)) error = -EFAULT; } return error; |