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[PATCH] fix 32bit overflow in timespec_to_sample()

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fix 32bit overflow in timespec_to_sample()

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Oleg Nesterov 2005-11-28 13:43:55 -08:00 • committed by Linus Torvalds
parent 46596338a1
commit ee500f2749
1 changed files with 1 additions and 1 deletions
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kernel/posix-cpu-timers.c
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@ -36,7 +36,7 @@ timespec_to_sample(clockid_t which_clock, const struct timespec *tp)
union cpu_time_count ret; union cpu_time_count ret;
ret.sched = 0; /* high half always zero when .cpu used */ ret.sched = 0; /* high half always zero when .cpu used */
if (CPUCLOCK_WHICH(which_clock) == CPUCLOCK_SCHED) { if (CPUCLOCK_WHICH(which_clock) == CPUCLOCK_SCHED) {
ret.sched = tp->tv_sec * NSEC_PER_SEC + tp->tv_nsec; ret.sched = (unsigned long long)tp->tv_sec * NSEC_PER_SEC + tp->tv_nsec;
} else { } else {
ret.cpu = timespec_to_cputime(tp); ret.cpu = timespec_to_cputime(tp);
} }