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>
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 3638b83..9046e66 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -2112,13 +2112,12 @@
 	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 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 @@
 			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",