rcu-tasks: Convert rcu_tasks_wait_gp() for-loop to while-loop

The infinite for-loop in rcu_tasks_wait_gp() has its only exit at the
top of the loop, so this commit does the straightforward conversion to
a while-loop, thus saving a few lines.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h
index d5d9f2d03e8a0ac9baa8186626980309f28462f0..a93271fc2572051179f6616e963dd84088619876 100644 (file)
--- a/kernel/rcu/tasks.h
+++ b/kernel/rcu/tasks.h
@@ -338,14 +338,11 @@ static void rcu_tasks_wait_gp(struct rcu_tasks *rtp)
        if (fract > HZ)
                fract = HZ;
 
-       for (;;) {
+       while (!list_empty(&holdouts)) {
                bool firstreport;
                bool needreport;
                int rtst;
 
-               if (list_empty(&holdouts))
-                       break;
-
                /* Slowly back off waiting for holdouts */
                set_tasks_gp_state(rtp, RTGS_WAIT_SCAN_HOLDOUTS);
                schedule_timeout_idle(HZ/fract);