netdev - [PATCH] net: broadcom: bcm4908enet: remove redundant variable bytes

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Message-Id: <20211222003937.727325-1-colin.i.king@gmail.com>
Date:   Wed, 22 Dec 2021 00:39:37 +0000
From:   Colin Ian King <colin.i.king@...il.com>
To:     Rafał Miłecki <rafal@...ecki.pl>,
        bcm-kernel-feedback-list@...adcom.com,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] net: broadcom: bcm4908enet: remove redundant variable bytes

The variable bytes is being used to summate slot lengths,
however the value is never used afterwards. The summation
is redundant so remove variable bytes.

Signed-off-by: Colin Ian King <colin.i.king@...il.com>
---
 drivers/net/ethernet/broadcom/bcm4908_enet.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bcm4908_enet.c b/drivers/net/ethernet/broadcom/bcm4908_enet.c
index b07cb9bc5f2d..4a2622b05ee1 100644
--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
@@ -635,7 +635,6 @@ static int bcm4908_enet_poll_tx(struct napi_struct *napi, int weight)
 	struct bcm4908_enet_dma_ring_bd *buf_desc;
 	struct bcm4908_enet_dma_ring_slot *slot;
 	struct device *dev = enet->dev;
-	unsigned int bytes = 0;
 	int handled = 0;
 
 	while (handled < weight && tx_ring->read_idx != tx_ring->write_idx) {
@@ -646,7 +645,6 @@ static int bcm4908_enet_poll_tx(struct napi_struct *napi, int weight)
 
 		dma_unmap_single(dev, slot->dma_addr, slot->len, DMA_TO_DEVICE);
 		dev_kfree_skb(slot->skb);
-		bytes += slot->len;
 		if (++tx_ring->read_idx == tx_ring->length)
 			tx_ring->read_idx = 0;
 
-- 
2.33.1