From 70ab81c2ed3d1323e7d6805bf59cbb570dff7937 Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@g5.osdl.org>
Date: Wed, 26 Oct 2005 11:23:06 -0700
Subject: [PATCH] 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>
---
kernel/posix-cpu-timers.c | 10 ++++------
1 file 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)
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);
--
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