static int __devinit emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { struct emu *emu; struct gameport *port; int error; emu = kzalloc(sizeof(struct emu), GFP_KERNEL); port = gameport_allocate_port(); if (!emu || !port) { ; error = -ENOMEM; goto err_out_free; } error = pci_enable_device(pdev); if (error) goto err_out_free; emu->io = pci_resource_start(pdev, 0); emu->size = pci_resource_len(pdev, 0); emu->dev = pdev; emu->gameport = port; gameport_set_name(port, "EMU10K1"); gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev)); port->dev.parent = &pdev->dev; port->io = emu->io; if (!request_region(emu->io, emu->size, "emu10k1-gp")) { // printk(KERN_ERR "emu10k1-gp: unable to grab region 0x%x-0x%x\n", ; error = -EBUSY; goto err_out_disable_dev; } pci_set_drvdata(pdev, emu); gameport_register_port(port); return 0; err_out_disable_dev: pci_disable_device(pdev); err_out_free: gameport_free_port(port); kfree(emu); return error; }
static int __devinit emu_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { int ioport, iolen; struct emu *emu; struct gameport *port; if (pci_enable_device(pdev)) return -EBUSY; ioport = pci_resource_start(pdev, 0); iolen = pci_resource_len(pdev, 0); if (!request_region(ioport, iolen, "emu10k1-gp")) return -EBUSY; emu = kzalloc(sizeof(struct emu), GFP_KERNEL); port = gameport_allocate_port(); if (!emu || !port) { printk(KERN_ERR "emu10k1-gp: Memory allocation failed\n"); release_region(ioport, iolen); kfree(emu); gameport_free_port(port); return -ENOMEM; } emu->io = ioport; emu->size = iolen; emu->dev = pdev; emu->gameport = port; gameport_set_name(port, "EMU10K1"); gameport_set_phys(port, "pci%s/gameport0", pci_name(pdev)); port->dev.parent = &pdev->dev; port->io = ioport; pci_set_drvdata(pdev, emu); gameport_register_port(port); return 0; }