semaphore: use `bool' type for semaphore_waiter's up
Signed-off-by: liguang <lig.fnst@cn.fujitsu.com> Cc: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -193,7 +193,7 @@ EXPORT_SYMBOL(up);
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struct semaphore_waiter {
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struct list_head list;
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struct task_struct *task;
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int up;
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bool up;
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};
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/*
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@ -209,7 +209,7 @@ static inline int __sched __down_common(struct semaphore *sem, long state,
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list_add_tail(&waiter.list, &sem->wait_list);
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waiter.task = task;
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waiter.up = 0;
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waiter.up = false;
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for (;;) {
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if (signal_pending_state(state, task))
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@ -258,6 +258,6 @@ static noinline void __sched __up(struct semaphore *sem)
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struct semaphore_waiter *waiter = list_first_entry(&sem->wait_list,
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struct semaphore_waiter, list);
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list_del(&waiter->list);
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waiter->up = 1;
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waiter->up = true;
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wake_up_process(waiter->task);
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}
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