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hrtimers/posix-timers: Merge nanosleep timespec copyout logics into a new helper

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20170607084241.28657-7-viro@ZenIV.linux.org.uk
This commit is contained in:
Al Viro
2017-06-07 09:42:32 +01:00
committed by Thomas Gleixner
parent edbeda4632
commit ce41aaf47a
4 changed files with 25 additions and 29 deletions
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10
kernel/time/alarmtimer.c
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@@ -721,15 +721,7 @@ static int alarmtimer_do_nsleep(struct alarm *alarm, ktime_t absexp,
return 0;
rmt = ktime_to_timespec(rem);
#ifdef CONFIG_COMPAT
if (restart->nanosleep.type == TT_COMPAT) {
if (compat_put_timespec(&rmt,
restart->nanosleep.compat_rmtp))
return -EFAULT;
} else
#endif
if (copy_to_user(restart->nanosleep.rmtp, &rmt, sizeof(rmt)))
return -EFAULT;
return nanosleep_copyout(restart, &rmt);
}
return -ERESTART_RESTARTBLOCK;
}