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posix cpu timers: fix timer ordering

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Pointed out by Oleg Nesterov, who has been walking over the code
forwards and backwards.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Linus Torvalds 2005-10-26 11:23:06 -07:00
parent b0917bd912
commit 70ab81c2ed
1 changed files with 4 additions and 6 deletions
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10
kernel/posix-cpu-timers.c
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@ -576,17 +576,15 @@ static void arm_timer(struct k_itimer *timer, union cpu_time_count now)
listpos = head;
if (CPUCLOCK_WHICH(timer->it_clock) == CPUCLOCK_SCHED) {
list_for_each_entry(next, head, entry) {
if (next->expires.sched > nt->expires.sched) {
listpos = &next->entry;
if (next->expires.sched > nt->expires.sched)
break;
}
listpos = &next->entry;
}
} else {
list_for_each_entry(next, head, entry) {
if (cputime_gt(next->expires.cpu, nt->expires.cpu)) {
listpos = &next->entry;
if (cputime_gt(next->expires.cpu, nt->expires.cpu))
break;
}
listpos = &next->entry;
}
}
list_add(&nt->entry, listpos);