RDMA/nes: Get rid of "set but not used" variables

Delete dead code in various places that is shown by gcc 4.6's new
-Wunused-but-set-variable warnings.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

5 files changed, 2 insertions, 21 deletions

diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
index 16b783232e1f..969a01c1b11e 100644
--- a/drivers/infiniband/hw/nes/nes.c
+++ b/drivers/infiniband/hw/nes/nes.c
@@ -259,13 +259,11 @@ static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_r
         unsigned long flags;
         struct nes_qp *nesqp = cqp_request->cqp_callback_pointer;
         struct nes_adapter *nesadapter = nesdev->nesadapter;
-        u32 qp_id;
 
         atomic_inc(&qps_destroyed);
 
         /* Free the control structures */
 
-        qp_id = nesqp->hwqp.qp_id;
         if (nesqp->pbl_vbase) {
                 pci_free_consistent(nesdev->pcidev, nesqp->qp_mem_size,
                                 nesqp->hwqp.q2_vbase, nesqp->hwqp.q2_pbase);
@@ -441,7 +439,6 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i
         struct net_device *netdev = NULL;
         struct nes_device *nesdev = NULL;
         int ret = 0;
-        struct nes_vnic *nesvnic = NULL;
         void __iomem *mmio_regs = NULL;
         u8 hw_rev;
 
@@ -677,8 +674,6 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i
                 }
 
                 nes_print_macaddr(netdev);
-                /* create a CM core for this netdev */
-                nesvnic = netdev_priv(netdev);
 
                 nesdev->netdev_count++;
                 nesdev->nesadapter->netdev_count++;
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index d400fa9de8b8..8bc11e183803 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -1719,8 +1719,6 @@ static int handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb,
 {
         int datasize = 0;
         u32 inc_sequence;
-        u32 rem_seq_ack;
-        u32 rem_seq;
         int ret = 0;
         int optionsize;
         optionsize = (tcph->doff << 2) - sizeof(struct tcphdr);
@@ -1730,8 +1728,6 @@ static int handle_ack_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb,
 
         skb_pull(skb, tcph->doff << 2);
         inc_sequence = ntohl(tcph->seq);
-        rem_seq = ntohl(tcph->seq);
-        rem_seq_ack =  ntohl(tcph->ack_seq);
         datasize = skb->len;
         switch (cm_node->state) {
         case NES_CM_STATE_SYN_RCVD:
@@ -3128,17 +3124,15 @@ int nes_create_listen(struct iw_cm_id *cm_id, int backlog)
         struct nes_vnic *nesvnic;
         struct nes_cm_listener *cm_node;
         struct nes_cm_info cm_info;
-        struct nes_adapter *adapter;
         int err;
 
-
         nes_debug(NES_DBG_CM, "cm_id = %p, local port = 0x%04X.\n",
                         cm_id, ntohs(cm_id->local_addr.sin_port));
 
         nesvnic = to_nesvnic(cm_id->device);
         if (!nesvnic)
                 return -EINVAL;
-        adapter = nesvnic->nesdev->nesadapter;
+
         nes_debug(NES_DBG_CM, "nesvnic=%p, netdev=%p, %s\n",
                         nesvnic, nesvnic->netdev, nesvnic->netdev->name);
 
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 199107abf195..07c400441e03 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -2999,11 +2999,8 @@ static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq)
 
 static u8 *locate_mpa(u8 *pkt, u32 aeq_info)
 {
-        u16 pkt_len;
-
         if (aeq_info & NES_AEQE_Q2_DATA_ETHERNET) {
                 /* skip over ethernet header */
-                pkt_len = be16_to_cpu(*(u16 *)(pkt + ETH_HLEN - 2));
                 pkt += ETH_HLEN;
 
                 /* Skip over IP and TCP headers */
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index c0c404ee3bc4..1901ec789696 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -470,7 +470,6 @@ static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev)
         u16 nhoffset;
         u16 wqes_needed;
         u16 wqes_available;
-        u32 old_head;
         u32 wqe_misc;
 
         /*
@@ -510,7 +509,6 @@ sq_no_longer_full:
                 if (skb_is_gso(skb)) {
                         nesvnic->segmented_tso_requests++;
                         nesvnic->tso_requests++;
-                        old_head = nesnic->sq_head;
                         /* Basically 4 fragments available per WQE with extended fragments */
                         wqes_needed = nr_frags >> 2;
                         wqes_needed += (nr_frags&3)?1:0;
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 3638b834a1a8..9046e6675686 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -2112,13 +2112,12 @@ static struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd,
         u32 driver_key = 0;
         u32 root_pbl_index = 0;
         u32 cur_pbl_index = 0;
-        int err = 0, pbl_depth = 0;
+        int err = 0;
         int ret = 0;
         u16 pbl_count = 0;
         u8 single_page = 1;
         u8 stag_key = 0;
 
-        pbl_depth = 0;
         region_length = 0;
         vpbl.pbl_vbase = NULL;
         root_vpbl.pbl_vbase = NULL;
@@ -2931,7 +2930,6 @@ int nes_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
         int ret;
         u16 original_last_aeq;
         u8 issue_modify_qp = 0;
-        u8 issue_disconnect = 0;
         u8 dont_wait = 0;
 
         nes_debug(NES_DBG_MOD_QP, "QP%u: QP State=%u, cur QP State=%u,"
@@ -3083,7 +3081,6 @@ int nes_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
                         nesqp->iwarp_state = next_iwarp_state & NES_CQP_QP_IWARP_STATE_MASK;
                         nes_debug(NES_DBG_MOD_QP, "Change nesqp->iwarp_state=%08x\n",
                                         nesqp->iwarp_state);
-                        issue_disconnect = 1;
                 } else {
                         nesqp->iwarp_state = next_iwarp_state & NES_CQP_QP_IWARP_STATE_MASK;
                         nes_debug(NES_DBG_MOD_QP, "Change nesqp->iwarp_state=%08x\n",