[PATCH net-next] net: ena: remove set but not used variable 'rx_ring'

From: YueHaibing
Date: Tue Dec 24 2019 - 07:52:09 EST


drivers/net/ethernet/amazon/ena/ena_netdev.c: In function ena_xdp_xmit_buff:
drivers/net/ethernet/amazon/ena/ena_netdev.c:316:19: warning:
variable rx_ring set but not used [-Wunused-but-set-variable]

commit 548c4940b9f1 ("net: ena: Implement XDP_TX action")
left behind this unused variable.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
drivers/net/ethernet/amazon/ena/ena_netdev.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 081acf0..894e8c1 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -313,7 +313,6 @@ static int ena_xdp_xmit_buff(struct net_device *dev,
struct ena_com_tx_ctx ena_tx_ctx = {0};
struct ena_tx_buffer *tx_info;
struct ena_ring *xdp_ring;
- struct ena_ring *rx_ring;
u16 next_to_use, req_id;
int rc;
void *push_hdr;
@@ -324,8 +323,6 @@ static int ena_xdp_xmit_buff(struct net_device *dev,
req_id = xdp_ring->free_ids[next_to_use];
tx_info = &xdp_ring->tx_buffer_info[req_id];
tx_info->num_of_bufs = 0;
- rx_ring = &xdp_ring->adapter->rx_ring[qid -
- xdp_ring->adapter->xdp_first_ring];
page_ref_inc(rx_info->page);
tx_info->xdp_rx_page = rx_info->page;

--
2.7.4