net: dl2k: remove variable tx_use

Variable tx_use is just being incremented and it's never used
anywhere else. The variable and the increment are redundant so
remove it.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20221024143501.2163720-1-colin.i.king@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/dlink/dl2k.c b/drivers/net/ethernet/dlink/dl2k.c
index 2c67a85..db6615a 100644 (file)
--- a/drivers/net/ethernet/dlink/dl2k.c
+++ b/drivers/net/ethernet/dlink/dl2k.c
@@ -814,7 +814,6 @@ rio_free_tx (struct net_device *dev, int irq)
 {
        struct netdev_private *np = netdev_priv(dev);
        int entry = np->old_tx % TX_RING_SIZE;
-       int tx_use = 0;
        unsigned long flag = 0;
 
        if (irq)
@@ -839,7 +838,6 @@ rio_free_tx (struct net_device *dev, int irq)
 
                np->tx_skbuff[entry] = NULL;
                entry = (entry + 1) % TX_RING_SIZE;
-               tx_use++;
        }
        if (irq)
                spin_unlock(&np->tx_lock);