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authorLinus Torvalds <torvalds@g5.osdl.org>2005-10-26 14:23:06 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-26 14:23:06 -0400
commit70ab81c2ed3d1323e7d6805bf59cbb570dff7937 (patch)
tree7679256f81780842aa443846f4cea7524c0db37a
parentb0917bd912d3708c50e1df1b5e1648d0547108a3 (diff)
posix cpu timers: fix timer ordering
Pointed out by Oleg Nesterov, who has been walking over the code forwards and backwards. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--kernel/posix-cpu-timers.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
index b15462b17a58..2f86424fa515 100644
--- a/kernel/posix-cpu-timers.c
+++ b/kernel/posix-cpu-timers.c
@@ -576,17 +576,15 @@ static void arm_timer(struct k_itimer *timer, union cpu_time_count now)
576 listpos = head; 576 listpos = head;
577 if (CPUCLOCK_WHICH(timer->it_clock) == CPUCLOCK_SCHED) { 577 if (CPUCLOCK_WHICH(timer->it_clock) == CPUCLOCK_SCHED) {
578 list_for_each_entry(next, head, entry) { 578 list_for_each_entry(next, head, entry) {
579 if (next->expires.sched > nt->expires.sched) { 579 if (next->expires.sched > nt->expires.sched)
580 listpos = &next->entry;
581 break; 580 break;
582 } 581 listpos = &next->entry;
583 } 582 }
584 } else { 583 } else {
585 list_for_each_entry(next, head, entry) { 584 list_for_each_entry(next, head, entry) {
586 if (cputime_gt(next->expires.cpu, nt->expires.cpu)) { 585 if (cputime_gt(next->expires.cpu, nt->expires.cpu))
587 listpos = &next->entry;
588 break; 586 break;
589 } 587 listpos = &next->entry;
590 } 588 }
591 } 589 }
592 list_add(&nt->entry, listpos); 590 list_add(&nt->entry, listpos);