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[PATCH] hrtimer: create and use timespec_valid macro

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add timespec_valid(ts) [returns false if the timespec is denorm]

Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Thomas Gleixner 2006-01-09 20:52:29 -08:00 • committed by Linus Torvalds
commit 5f82b2b77e
2 changed files with 8 additions and 3 deletions
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5
kernel/posix-timers.c
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@ -712,8 +712,7 @@ out:
*/
static int good_timespec(const struct timespec *ts)
{
if ((!ts) || (ts->tv_sec < 0) ||
((unsigned) ts->tv_nsec >= NSEC_PER_SEC))
if ((!ts) || !timespec_valid(ts))
return 0;
return 1;
}
@ -1406,7 +1405,7 @@ sys_clock_nanosleep(const clockid_t which_clock, int flags,
if (copy_from_user(&t, rqtp, sizeof (struct timespec)))
return -EFAULT;
if ((unsigned) t.tv_nsec >= NSEC_PER_SEC || t.tv_sec < 0)
if (!timespec_valid(&t))
return -EINVAL;
/*