rcu: Initialize first_gp_fqs at declaration in rcu_gp_fqs()

This commit saves a line of code by initializing the rcu_gp_fqs()
function's first_gp_fqs local variable in its declaration.

Reported-by: Frederic Weisbecker <frederic@kernel.org>
Reported-by: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 6f4656a..a23877a 100644 (file)
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1971,13 +1971,12 @@ static void rcu_gp_fqs(bool first_time)
  */
 static noinline_for_stack void rcu_gp_fqs_loop(void)
 {
-       bool first_gp_fqs;
+       bool first_gp_fqs = true;
        int gf = 0;
        unsigned long j;
        int ret;
        struct rcu_node *rnp = rcu_get_root();
 
-       first_gp_fqs = true;
        j = READ_ONCE(jiffies_till_first_fqs);
        if (rcu_state.cbovld)
                gf = RCU_GP_FLAG_OVLD;