srcu: Remove dead code in srcu_gp_end()

Of course, compilers will optimize out a dead code. Anyway, remove
any dead code for better readibility.

Signed-off-by: Byungchul Park <byungchul.park@lge.com>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
index d582a2352cdb505575b4ff1047fb6b4e8f3095a3..f962f4428c39fc03c0a163105c9fee7b90d91f0b 100644 (file)
--- a/kernel/rcu/srcutree.c
+++ b/kernel/rcu/srcutree.c
@@ -532,7 +532,6 @@ static void srcu_gp_end(struct srcu_struct *sp)
        unsigned long flags;
        unsigned long gpseq;
        int idx;
-       int idxnext;
        unsigned long mask;
        struct srcu_data *sdp;
        struct srcu_node *snp;
@@ -556,7 +555,6 @@ static void srcu_gp_end(struct srcu_struct *sp)
 
        /* Initiate callback invocation as needed. */
        idx = rcu_seq_ctr(gpseq) % ARRAY_SIZE(snp->srcu_have_cbs);
-       idxnext = (idx + 1) % ARRAY_SIZE(snp->srcu_have_cbs);
        rcu_for_each_node_breadth_first(sp, snp) {
                spin_lock_irq_rcu_node(snp);
                cbs = false;