net/mlx5e: Remove unreachable code in mlx5e_xmit()

After some commits, mlx5e_txwqe_build_eseg() lost its ability to return
boolean value and became effectively void.

Change its return type to void and remove unreachable branches.
Signed-off-by: Vladyslav Tarasiuk <vladyslavt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h

@@ -162,7 +162,7 @@ static inline unsigned int mlx5e_accel_tx_ids_len(struct mlx5e_txqsq *sq,
 /* Part of the eseg touched by TX offloads */
 #define MLX5E_ACCEL_ESEG_LEN offsetof(struct mlx5_wqe_eth_seg, mss)
 
-static inline bool mlx5e_accel_tx_eseg(struct mlx5e_priv *priv,
+static inline void mlx5e_accel_tx_eseg(struct mlx5e_priv *priv,
 				       struct sk_buff *skb,
 				       struct mlx5_wqe_eth_seg *eseg, u16 ihs)
 {
@@ -175,8 +175,6 @@ static inline bool mlx5e_accel_tx_eseg(struct mlx5e_priv *priv,
 	if (skb->encapsulation && skb->ip_summed == CHECKSUM_PARTIAL)
 		mlx5e_tx_tunnel_accel(skb, eseg, ihs);
 #endif
-
-	return true;
 }
 
 static inline void mlx5e_accel_tx_finish(struct mlx5e_txqsq *sq,

drivers/net/ethernet/mellanox/mlx5/core/en_tx.c

@@ -706,16 +706,12 @@ void mlx5e_tx_mpwqe_ensure_complete(struct mlx5e_txqsq *sq)
 		mlx5e_tx_mpwqe_session_complete(sq);
 }
 
-static bool mlx5e_txwqe_build_eseg(struct mlx5e_priv *priv, struct mlx5e_txqsq *sq,
+static void mlx5e_txwqe_build_eseg(struct mlx5e_priv *priv, struct mlx5e_txqsq *sq,
 				   struct sk_buff *skb, struct mlx5e_accel_tx_state *accel,
 				   struct mlx5_wqe_eth_seg *eseg, u16 ihs)
 {
-	if (unlikely(!mlx5e_accel_tx_eseg(priv, skb, eseg, ihs)))
-		return false;
-
+	mlx5e_accel_tx_eseg(priv, skb, eseg, ihs);
 	mlx5e_txwqe_build_eseg_csum(sq, skb, accel, eseg);
-
-	return true;
 }
 
 netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -744,10 +740,7 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev)
 		if (mlx5e_tx_skb_supports_mpwqe(skb, &attr)) {
 			struct mlx5_wqe_eth_seg eseg = {};
 
-			if (unlikely(!mlx5e_txwqe_build_eseg(priv, sq, skb, &accel, &eseg,
-							     attr.ihs)))
-				return NETDEV_TX_OK;
-
+			mlx5e_txwqe_build_eseg(priv, sq, skb, &accel, &eseg, attr.ihs);
 			mlx5e_sq_xmit_mpwqe(sq, skb, &eseg, netdev_xmit_more());
 			return NETDEV_TX_OK;
 		}
@@ -762,9 +755,7 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev)
 	/* May update the WQE, but may not post other WQEs. */
 	mlx5e_accel_tx_finish(sq, wqe, &accel,
 			      (struct mlx5_wqe_inline_seg *)(wqe->data + wqe_attr.ds_cnt_inl));
-	if (unlikely(!mlx5e_txwqe_build_eseg(priv, sq, skb, &accel, &wqe->eth, attr.ihs)))
-		return NETDEV_TX_OK;
-
+	mlx5e_txwqe_build_eseg(priv, sq, skb, &accel, &wqe->eth, attr.ihs);
 	mlx5e_sq_xmit_wqe(sq, skb, &attr, &wqe_attr, wqe, pi, netdev_xmit_more());
 
 	return NETDEV_TX_OK;