net: ena: ethtool: remove redundant non-zero check on rc

The non-zero check on rc is redundant as a previous non-zero
check on rc will always return and the second check is never
reached, hence it is redundant and can be removed.  Also
remove a blank line.

Addresses-Coverity: ("Logically dead code")
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/amazon/ena/ena_ethtool.c

@@ -674,7 +674,6 @@ static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
 	 * supports getting/setting the hash function.
 	 */
 	rc = ena_com_get_hash_function(adapter->ena_dev, &ena_func, key);
-
 	if (rc) {
 		if (rc == -EOPNOTSUPP) {
 			key = NULL;
@@ -685,9 +684,6 @@ static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
 		return rc;
 	}
 
-	if (rc)
-		return rc;
-
 	switch (ena_func) {
 	case ENA_ADMIN_TOEPLITZ:
 		func = ETH_RSS_HASH_TOP;