linux-kernel - [PATCH -next] net: dsa: sja1105: remove set but not used variable 'prev

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Message-ID: <1588939255-58038-1-git-send-email-zou_wei@huawei.com>
Date:   Fri, 8 May 2020 20:00:55 +0800
From:   Samuel Zou <zou_wei@...wei.com>
To:     <olteanv@...il.com>, <andrew@...n.ch>, <vivien.didelot@...il.com>,
        <f.fainelli@...il.com>, <davem@...emloft.net>
CC:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        Samuel Zou <zou_wei@...wei.com>
Subject: [PATCH -next] net: dsa: sja1105: remove set but not used variable 'prev_time'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/dsa/sja1105/sja1105_vl.c:468:6: warning: variable ‘prev_time’ set but not used [-Wunused-but-set-variable]
  u32 prev_time = 0;
      ^~~~~~~~~

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Samuel Zou <zou_wei@...wei.com>
---
 drivers/net/dsa/sja1105/sja1105_vl.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/dsa/sja1105/sja1105_vl.c b/drivers/net/dsa/sja1105/sja1105_vl.c
index b52f1af..aa9b0b9 100644
--- a/drivers/net/dsa/sja1105/sja1105_vl.c
+++ b/drivers/net/dsa/sja1105/sja1105_vl.c
@@ -465,7 +465,6 @@ sja1105_gating_cfg_time_to_interval(struct sja1105_gating_config *gating_cfg,
 	struct sja1105_gate_entry *last_e;
 	struct sja1105_gate_entry *e;
 	struct list_head *prev;
-	u32 prev_time = 0;
 
 	list_for_each_entry(e, &gating_cfg->entries, list) {
 		struct sja1105_gate_entry *p;
@@ -476,7 +475,6 @@ sja1105_gating_cfg_time_to_interval(struct sja1105_gating_config *gating_cfg,
 			continue;
 
 		p = list_entry(prev, struct sja1105_gate_entry, list);
-		prev_time = e->interval;
 		p->interval = e->interval - p->interval;
 	}
 	last_e = list_last_entry(&gating_cfg->entries,
-- 
2.6.2