[PATCH] set TASK_RUNNING in yield()

It seems that the yield() macro requires state TASK_RUNNING, but
practically none of the callers remember to do that.

The patch turns yield() into a real function which sets state
TASK_RUNNING before scheduling.

1 files changed, 6 insertions, 0 deletions

diff --git a/kernel/sched.c b/kernel/sched.c
index 11ede675025f..8dfe1941e7e0 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1453,6 +1453,12 @@ void __cond_resched(void)
 	schedule();
 }
 
+void yield(void)
+{
+	set_current_state(TASK_RUNNING);
+	sys_sched_yield();
+}
+
 asmlinkage long sys_sched_get_priority_max(int policy)
 {
 	int ret = -EINVAL;