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>
diff --git a/kernel/semaphore.c b/kernel/semaphore.c
index 9c7017d..6815171 100644
--- a/kernel/semaphore.c
+++ b/kernel/semaphore.c
@@ -193,7 +193,7 @@
struct semaphore_waiter {
struct list_head list;
struct task_struct *task;
- int up;
+ bool up;
};
/*
@@ -209,7 +209,7 @@
list_add_tail(&waiter.list, &sem->wait_list);
waiter.task = task;
- waiter.up = 0;
+ waiter.up = false;
for (;;) {
if (signal_pending_state(state, task))
@@ -258,6 +258,6 @@
struct semaphore_waiter *waiter = list_first_entry(&sem->wait_list,
struct semaphore_waiter, list);
list_del(&waiter->list);
- waiter->up = 1;
+ waiter->up = true;
wake_up_process(waiter->task);
}