[PATCH] srcu: remove never used variable
From: zhouzhouyi
Date: Thu Feb 22 2018 - 01:52:57 EST
From: Zhouyi Zhou <zhouzhouyi@xxxxxxxxx>
In function srcu_gp_end, the variable idxnext is never used after assign,
remove it and its assign statement.
Signed-off-by: Zhouyi Zhou <zhouzhouyi@xxxxxxxxx>
---
kernel/rcu/srcutree.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
index d5cea81..1241715 100644
--- a/kernel/rcu/srcutree.c
+++ b/kernel/rcu/srcutree.c
@@ -531,7 +531,6 @@ 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;
@@ -555,7 +554,6 @@ 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;
--
2.1.4