net: ena: removed unused tx_bytes variable

clang 16.0.0 with W=1 reports:

drivers/net/ethernet/amazon/ena/ena_netdev.c:1901:6: error: variable 'tx_bytes' set but not used [-Werror,-Wunused-but-set-variable]
        u32 tx_bytes = 0;

The variable is not used so remove it.

Signed-off-by: Simon Horman <horms@kernel.org>
Acked-by: Shay Agroskin <shayagr@amazon.com>
Link: https://lore.kernel.org/r/20230328151958.410687-1-horms@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index e0588a8..e6a6efa 100644 (file)
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -1898,7 +1898,6 @@ static int ena_clean_xdp_irq(struct ena_ring *xdp_ring, u32 budget)
 {
        u32 total_done = 0;
        u16 next_to_clean;
-       u32 tx_bytes = 0;
        int tx_pkts = 0;
        u16 req_id;
        int rc;
@@ -1936,7 +1935,6 @@ static int ena_clean_xdp_irq(struct ena_ring *xdp_ring, u32 budget)
                          "tx_poll: q %d skb %p completed\n", xdp_ring->qid,
                          xdpf);
 
-               tx_bytes += xdpf->len;
                tx_pkts++;
                total_done += tx_info->tx_descs;