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

[YueHaibing]

drivers/net/ethernet/amazon/ena/ena_com.c: In function ena_com_hash_key_allocate:
drivers/net/ethernet/amazon/ena/ena_com.c:1070:50:
 warning: variable hash_key set but not used [-Wunused-but-set-variable]

commit 6a4f7dc82d1e ("net: ena: rss: do not allocate key when not supported")
introduced this, but not used, so remove it.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 drivers/net/ethernet/amazon/ena/ena_com.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
index 1fb58f9..a250046 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_com.c
@@ -1067,18 +1067,14 @@ static void ena_com_hash_key_fill_default_key(struct ena_com_dev *ena_dev)
 static int ena_com_hash_key_allocate(struct ena_com_dev *ena_dev)
 {
 	struct ena_rss *rss = &ena_dev->rss;
-	struct ena_admin_feature_rss_flow_hash_control *hash_key;
 	struct ena_admin_get_feat_resp get_resp;
 	int rc;
 
-	hash_key = (ena_dev->rss).hash_key;
-
 	rc = ena_com_get_feature_ex(ena_dev, &get_resp,
 				    ENA_ADMIN_RSS_HASH_FUNCTION,
 				    ena_dev->rss.hash_key_dma_addr,
 				    sizeof(ena_dev->rss.hash_key), 0);
 	if (unlikely(rc)) {
-		hash_key = NULL;
 		return -EOPNOTSUPP;
 	}
 
-- 
2.7.4