130     int ret, rsrc;  in pci_device_vgaarb_init()  local
139     ret = read(pci_sys->vgaarb_fd, buf, BUFSIZE);  in pci_device_vgaarb_init()
140     if (ret <= 0)  in pci_device_vgaarb_init()
143     buf[ret] = 0; /* ret will never be greater than BUFSIZE */  in pci_device_vgaarb_init()
180     int ret;  in vgaarb_write()  local
185     ret = write(fd, buf, len);  in vgaarb_write()
186     if (ret == -1) {  in vgaarb_write()
196     else if (ret != len) {  in vgaarb_write()
232     int ret;  in pci_device_vgaarb_set_target()  local
242     ret = vgaarb_write(pci_sys->vgaarb_fd, buf, len);  in pci_device_vgaarb_set_target()
243     if (ret)  in pci_device_vgaarb_set_target()
244         return ret;  in pci_device_vgaarb_set_target()
246     ret = read(pci_sys->vgaarb_fd, buf, BUFSIZE);  in pci_device_vgaarb_set_target()
247     if (ret <= 0)  in pci_device_vgaarb_set_target()
250     buf[ret] = 0; /* ret will never be greater than BUFSIZE */  in pci_device_vgaarb_set_target()
262     int ret;  in pci_device_vgaarb_decodes()  local
271     ret = vgaarb_write(pci_sys->vgaarb_fd, buf, len);  in pci_device_vgaarb_decodes()
272     if (ret == 0)  in pci_device_vgaarb_decodes()
275     ret = read(pci_sys->vgaarb_fd, buf, BUFSIZE);  in pci_device_vgaarb_decodes()
276     if (ret <= 0)  in pci_device_vgaarb_decodes()
279     buf[ret] = 0; /* ret will never be greater than BUFSIZE */  in pci_device_vgaarb_decodes()
283     return ret;  in pci_device_vgaarb_decodes()