target/linux/bcm4908/patches-5.10/077-v5.17-net-broadcom-bcm4908enet-remove-redundant-variable-b.patch

   1 From 62a3106697f3c6f9af64a2cd0f9ff58552010dc8 Mon Sep 17 00:00:00 2001
   2 From: Colin Ian King <colin.i.king@gmail.com>
   3 Date: Wed, 22 Dec 2021 00:39:37 +0000
   4 Subject: [PATCH] net: broadcom: bcm4908enet: remove redundant variable bytes
   5
   6 The variable bytes is being used to summate slot lengths,
   7 however the value is never used afterwards. The summation
   8 is redundant so remove variable bytes.
   9
  10 Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
  11 Link: https://lore.kernel.org/r/20211222003937.727325-1-colin.i.king@gmail.com
  12 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
  13 ---
  14  drivers/net/ethernet/broadcom/bcm4908_enet.c | 2 --
  15  1 file changed, 2 deletions(-)
  16
  17 --- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
  18 +++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
  19 @@ -634,7 +634,6 @@ static int bcm4908_enet_poll_tx(struct n
  20         struct bcm4908_enet_dma_ring_bd *buf_desc;
  21         struct bcm4908_enet_dma_ring_slot *slot;
  22         struct device *dev = enet->dev;
  23 -       unsigned int bytes = 0;
  24         int handled = 0;
  25
  26         while (handled < weight && tx_ring->read_idx != tx_ring->write_idx) {
  27 @@ -645,7 +644,6 @@ static int bcm4908_enet_poll_tx(struct n
  28
  29                 dma_unmap_single(dev, slot->dma_addr, slot->len, DMA_TO_DEVICE);
  30                 dev_kfree_skb(slot->skb);
  31 -               bytes += slot->len;
  32                 if (++tx_ring->read_idx == tx_ring->length)
  33                         tx_ring->read_idx = 0;
  34