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-rw-r--r--kernel/sched.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index b048ad8a11a..3aaa5c8cb42 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4398,22 +4398,20 @@ do_wait_for_common(struct completion *x, long timeout, int state)
signal_pending(current)) ||
(state == TASK_KILLABLE &&
fatal_signal_pending(current))) {
- __remove_wait_queue(&x->wait, &wait);
- return -ERESTARTSYS;
+ timeout = -ERESTARTSYS;
+ break;
}
__set_current_state(state);
spin_unlock_irq(&x->wait.lock);
timeout = schedule_timeout(timeout);
spin_lock_irq(&x->wait.lock);
- if (!timeout) {
- __remove_wait_queue(&x->wait, &wait);
- return timeout;
- }
- } while (!x->done);
+ } while (!x->done && timeout);
__remove_wait_queue(&x->wait, &wait);
+ if (!x->done)
+ return timeout;
}
x->done--;
- return timeout;
+ return timeout ?: 1;
}
static long __sched