IB/IPoIB: Simplify ib_post_(send|recv|srq_recv)() calls

Instead of declaring and passing a dummy 'bad_wr' pointer, pass NULL
as third argument to ib_post_(send|recv|srq_recv)().

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 582f199..8b44f33 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -94,7 +94,6 @@ static void ipoib_cm_dma_unmap_rx(struct ipoib_dev_priv *priv, int frags,
 static int ipoib_cm_post_receive_srq(struct net_device *dev, int id)
 {
        struct ipoib_dev_priv *priv = ipoib_priv(dev);
-       struct ib_recv_wr *bad_wr;
        int i, ret;
 
        priv->cm.rx_wr.wr_id = id | IPOIB_OP_CM | IPOIB_OP_RECV;
@@ -102,7 +101,7 @@ static int ipoib_cm_post_receive_srq(struct net_device *dev, int id)
        for (i = 0; i < priv->cm.num_frags; ++i)
                priv->cm.rx_sge[i].addr = priv->cm.srq_ring[id].mapping[i];
 
-       ret = ib_post_srq_recv(priv->cm.srq, &priv->cm.rx_wr, &bad_wr);
+       ret = ib_post_srq_recv(priv->cm.srq, &priv->cm.rx_wr, NULL);
        if (unlikely(ret)) {
                ipoib_warn(priv, "post srq failed for buf %d (%d)\n", id, ret);
                ipoib_cm_dma_unmap_rx(priv, priv->cm.num_frags - 1,
@@ -120,7 +119,6 @@ static int ipoib_cm_post_receive_nonsrq(struct net_device *dev,
                                        struct ib_sge *sge, int id)
 {
        struct ipoib_dev_priv *priv = ipoib_priv(dev);
-       struct ib_recv_wr *bad_wr;
        int i, ret;
 
        wr->wr_id = id | IPOIB_OP_CM | IPOIB_OP_RECV;
@@ -128,7 +126,7 @@ static int ipoib_cm_post_receive_nonsrq(struct net_device *dev,
        for (i = 0; i < IPOIB_CM_RX_SG; ++i)
                sge[i].addr = rx->rx_ring[id].mapping[i];
 
-       ret = ib_post_recv(rx->qp, wr, &bad_wr);
+       ret = ib_post_recv(rx->qp, wr, NULL);
        if (unlikely(ret)) {
                ipoib_warn(priv, "post recv failed for buf %d (%d)\n", id, ret);
                ipoib_cm_dma_unmap_rx(priv, IPOIB_CM_RX_SG - 1,
@@ -212,7 +210,6 @@ static void ipoib_cm_free_rx_ring(struct net_device *dev,
 
 static void ipoib_cm_start_rx_drain(struct ipoib_dev_priv *priv)
 {
-       struct ib_send_wr *bad_wr;
        struct ipoib_cm_rx *p;
 
        /* We only reserved 1 extra slot in CQ for drain WRs, so
@@ -227,7 +224,7 @@ static void ipoib_cm_start_rx_drain(struct ipoib_dev_priv *priv)
         */
        p = list_entry(priv->cm.rx_flush_list.next, typeof(*p), list);
        ipoib_cm_rx_drain_wr.wr_id = IPOIB_CM_RX_DRAIN_WRID;
-       if (ib_post_send(p->qp, &ipoib_cm_rx_drain_wr, &bad_wr))
+       if (ib_post_send(p->qp, &ipoib_cm_rx_drain_wr, NULL))
                ipoib_warn(priv, "failed to post drain wr\n");
 
        list_splice_init(&priv->cm.rx_flush_list, &priv->cm.rx_drain_list);
@@ -699,13 +696,11 @@ static inline int post_send(struct ipoib_dev_priv *priv,
                            unsigned int wr_id,
                            struct ipoib_tx_buf *tx_req)
 {
-       struct ib_send_wr *bad_wr;
-
        ipoib_build_sge(priv, tx_req);
 
        priv->tx_wr.wr.wr_id    = wr_id | IPOIB_OP_CM;
 
-       return ib_post_send(tx->qp, &priv->tx_wr.wr, &bad_wr);
+       return ib_post_send(tx->qp, &priv->tx_wr.wr, NULL);
 }
 
 void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_tx *tx)

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 5f5d42b..9006a13 100644 (file)
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -101,7 +101,6 @@ static void ipoib_ud_dma_unmap_rx(struct ipoib_dev_priv *priv,
 static int ipoib_ib_post_receive(struct net_device *dev, int id)
 {
        struct ipoib_dev_priv *priv = ipoib_priv(dev);
-       struct ib_recv_wr *bad_wr;
        int ret;
 
        priv->rx_wr.wr_id   = id | IPOIB_OP_RECV;
@@ -109,7 +108,7 @@ static int ipoib_ib_post_receive(struct net_device *dev, int id)
        priv->rx_sge[1].addr = priv->rx_ring[id].mapping[1];
 
 
-       ret = ib_post_recv(priv->qp, &priv->rx_wr, &bad_wr);
+       ret = ib_post_recv(priv->qp, &priv->rx_wr, NULL);
        if (unlikely(ret)) {
                ipoib_warn(priv, "receive failed for buf %d (%d)\n", id, ret);
                ipoib_ud_dma_unmap_rx(priv, priv->rx_ring[id].mapping);
@@ -542,7 +541,6 @@ static inline int post_send(struct ipoib_dev_priv *priv,
                            struct ipoib_tx_buf *tx_req,
                            void *head, int hlen)
 {
-       struct ib_send_wr *bad_wr;
        struct sk_buff *skb = tx_req->skb;
 
        ipoib_build_sge(priv, tx_req);
@@ -559,7 +557,7 @@ static inline int post_send(struct ipoib_dev_priv *priv,
        } else
                priv->tx_wr.wr.opcode   = IB_WR_SEND;
 
-       return ib_post_send(priv->qp, &priv->tx_wr.wr, &bad_wr);
+       return ib_post_send(priv->qp, &priv->tx_wr.wr, NULL);
 }
 
 int ipoib_send(struct net_device *dev, struct sk_buff *skb,