cnic: remove redundant pointer req and variable func

Pointer req and variable func are being assigned but are never used
hence they are redundant and can be removed.

Cleans up clang warnings:
warning: variable 'req' set but not used [-Wunused-but-set-variable]
warning: variable 'func' set but not used [-Wunused-but-set-variable]
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/cnic.c

@@ -2562,7 +2562,6 @@ static void cnic_bnx2x_delete_wait(struct cnic_dev *dev, u32 start_cid)
 
 static int cnic_bnx2x_fcoe_fw_destroy(struct cnic_dev *dev, struct kwqe *kwqe)
 {
-	struct fcoe_kwqe_destroy *req;
 	union l5cm_specific_data l5_data;
 	struct cnic_local *cp = dev->cnic_priv;
 	struct bnx2x *bp = netdev_priv(dev->netdev);
@@ -2571,7 +2570,6 @@ static int cnic_bnx2x_fcoe_fw_destroy(struct cnic_dev *dev, struct kwqe *kwqe)
 
 	cnic_bnx2x_delete_wait(dev, MAX_ISCSI_TBL_SZ);
 
-	req = (struct fcoe_kwqe_destroy *) kwqe;
 	cid = BNX2X_HW_CID(bp, cp->fcoe_init_cid);
 
 	memset(&l5_data, 0, sizeof(l5_data));
@@ -5091,13 +5089,12 @@ static int cnic_start_bnx2x_hw(struct cnic_dev *dev)
 	struct cnic_local *cp = dev->cnic_priv;
 	struct bnx2x *bp = netdev_priv(dev->netdev);
 	struct cnic_eth_dev *ethdev = cp->ethdev;
-	int func, ret;
+	int ret;
 	u32 pfid;
 
 	dev->stats_addr = ethdev->addr_drv_info_to_mcp;
 	cp->func = bp->pf_num;
 
-	func = CNIC_FUNC(cp);
 	pfid = bp->pfid;
 
 	ret = cnic_init_id_tbl(&cp->cid_tbl, MAX_ISCSI_TBL_SZ,