remove extra parentheses in return statement

[dpdk.git] / drivers / net / e1000 / igb_rxtx.c

diff --git a/drivers/net/e1000/igb_rxtx.c b/drivers/net/e1000/igb_rxtx.c
index 996e7da..e7c30b7 100644 (file)
--- a/drivers/net/e1000/igb_rxtx.c
+++ b/drivers/net/e1000/igb_rxtx.c
@@ -86,7 +86,7 @@ rte_rxmbuf_alloc(struct rte_mempool *mp)
 
        m = __rte_mbuf_raw_alloc(mp);
        __rte_mbuf_sanity_check_raw(m, 0);
-       return (m);
+       return m;
 }
 
 #define RTE_MBUF_DATA_DMA_ADDR(mb) \
@@ -366,7 +366,7 @@ what_advctx_update(struct igb_tx_queue *txq, uint64_t flags,
        }
 
        /* Mismatch, use the previous context */
-       return (IGB_CTX_NUM);
+       return IGB_CTX_NUM;
 }
 
 static inline uint32_t
@@ -518,7 +518,7 @@ eth_igb_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
                 */
                if (! (txr[tx_end].wb.status & E1000_TXD_STAT_DD)) {
                        if (nb_tx == 0)
-                               return (0);
+                               return 0;
                        goto end_of_tx;
                }
 
@@ -628,7 +628,7 @@ eth_igb_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
                   (unsigned) tx_id, (unsigned) nb_tx);
        txq->tx_tail = tx_id;
 
-       return (nb_tx);
+       return nb_tx;
 }
 
 /*********************************************************************
@@ -944,7 +944,7 @@ eth_igb_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                nb_hold = 0;
        }
        rxq->nb_rx_hold = nb_hold;
-       return (nb_rx);
+       return nb_rx;
 }
 
 uint16_t
@@ -1199,7 +1199,7 @@ eth_igb_recv_scattered_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
                nb_hold = 0;
        }
        rxq->nb_rx_hold = nb_hold;
-       return (nb_rx);
+       return nb_rx;
 }
 
 /*
@@ -1335,7 +1335,7 @@ eth_igb_tx_queue_setup(struct rte_eth_dev *dev,
        txq = rte_zmalloc("ethdev TX queue", sizeof(struct igb_tx_queue),
                                                        RTE_CACHE_LINE_SIZE);
        if (txq == NULL)
-               return (-ENOMEM);
+               return -ENOMEM;
 
        /*
         * Allocate TX ring hardware descriptors. A memzone large enough to
@@ -1347,7 +1347,7 @@ eth_igb_tx_queue_setup(struct rte_eth_dev *dev,
                                      E1000_ALIGN, socket_id);
        if (tz == NULL) {
                igb_tx_queue_release(txq);
-               return (-ENOMEM);
+               return -ENOMEM;
        }
 
        txq->nb_tx_desc = nb_desc;
@@ -1371,7 +1371,7 @@ eth_igb_tx_queue_setup(struct rte_eth_dev *dev,
                                   RTE_CACHE_LINE_SIZE);
        if (txq->sw_ring == NULL) {
                igb_tx_queue_release(txq);
-               return (-ENOMEM);
+               return -ENOMEM;
        }
        PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64,
                     txq->sw_ring, txq->tx_ring, txq->tx_ring_phys_addr);
@@ -1380,7 +1380,7 @@ eth_igb_tx_queue_setup(struct rte_eth_dev *dev,
        dev->tx_pkt_burst = eth_igb_xmit_pkts;
        dev->data->tx_queues[queue_idx] = txq;
 
-       return (0);
+       return 0;
 }
 
 static void
@@ -1453,7 +1453,7 @@ eth_igb_rx_queue_setup(struct rte_eth_dev *dev,
        if (nb_desc % IGB_RXD_ALIGN != 0 ||
                        (nb_desc > E1000_MAX_RING_DESC) ||
                        (nb_desc < E1000_MIN_RING_DESC)) {
-               return (-EINVAL);
+               return -EINVAL;
        }
 
        /* Free memory prior to re-allocation if needed */
@@ -1466,7 +1466,7 @@ eth_igb_rx_queue_setup(struct rte_eth_dev *dev,
        rxq = rte_zmalloc("ethdev RX queue", sizeof(struct igb_rx_queue),
                          RTE_CACHE_LINE_SIZE);
        if (rxq == NULL)
-               return (-ENOMEM);
+               return -ENOMEM;
        rxq->mb_pool = mp;
        rxq->nb_rx_desc = nb_desc;
        rxq->pthresh = rx_conf->rx_thresh.pthresh;
@@ -1493,7 +1493,7 @@ eth_igb_rx_queue_setup(struct rte_eth_dev *dev,
                                      E1000_ALIGN, socket_id);
        if (rz == NULL) {
                igb_rx_queue_release(rxq);
-               return (-ENOMEM);
+               return -ENOMEM;
        }
        rxq->rdt_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_RDT(rxq->reg_idx));
        rxq->rdh_reg_addr = E1000_PCI_REG_ADDR(hw, E1000_RDH(rxq->reg_idx));
@@ -1506,7 +1506,7 @@ eth_igb_rx_queue_setup(struct rte_eth_dev *dev,
                                   RTE_CACHE_LINE_SIZE);
        if (rxq->sw_ring == NULL) {
                igb_rx_queue_release(rxq);
-               return (-ENOMEM);
+               return -ENOMEM;
        }
        PMD_INIT_LOG(DEBUG, "sw_ring=%p hw_ring=%p dma_addr=0x%"PRIx64,
                     rxq->sw_ring, rxq->rx_ring, rxq->rx_ring_phys_addr);
@@ -1967,7 +1967,7 @@ igb_alloc_rx_queue_mbufs(struct igb_rx_queue *rxq)
                if (mbuf == NULL) {
                        PMD_INIT_LOG(ERR, "RX mbuf alloc failed "
                                     "queue_id=%hu", rxq->queue_id);
-                       return (-ENOMEM);
+                       return -ENOMEM;
                }
                dma_addr =
                        rte_cpu_to_le_64(RTE_MBUF_DATA_DMA_ADDR_DEFAULT(mbuf));