linux-kernel - [PATCH] ethernet: alteon: remove unused variable len

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Message-Id: <20221104174215.242539-1-colin.i.king@gmail.com>
Date:   Fri,  4 Nov 2022 17:42:15 +0000
From:   Colin Ian King <colin.i.king@...il.com>
To:     Jes Sorensen <jes@...ined-monkey.org>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, linux-acenic@...site.dk,
        netdev@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ethernet: alteon: remove unused variable len

Variable len is being used to accumulate the skb_frag_size but it
is never used afterwards. The variable is redundant and can be
removed.

Signed-off-by: Colin Ian King <colin.i.king@...il.com>
---
 drivers/net/ethernet/alteon/acenic.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/alteon/acenic.c b/drivers/net/ethernet/alteon/acenic.c
index d7762da8b2c0..eafef84fe3be 100644
--- a/drivers/net/ethernet/alteon/acenic.c
+++ b/drivers/net/ethernet/alteon/acenic.c
@@ -2435,7 +2435,7 @@ static netdev_tx_t ace_start_xmit(struct sk_buff *skb,
 	} else {
 		dma_addr_t mapping;
 		u32 vlan_tag = 0;
-		int i, len = 0;
+		int i;
 
 		mapping = ace_map_tx_skb(ap, skb, NULL, idx);
 		flagsize = (skb_headlen(skb) << 16);
@@ -2454,7 +2454,6 @@ static netdev_tx_t ace_start_xmit(struct sk_buff *skb,
 			const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
 			struct tx_ring_info *info;
 
-			len += skb_frag_size(frag);
 			info = ap->skb->tx_skbuff + idx;
 			desc = ap->tx_ring + idx;
 
-- 
2.38.1