staging: comedi: pcmuio: fix possible NULL deref on detach
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / comedi / drivers / addi_apci_1564.c
1 #include <linux/pci.h>
2
3 #include "../comedidev.h"
4 #include "comedi_fc.h"
5 #include "amcc_s5933.h"
6
7 #include "addi-data/addi_common.h"
8
9 #include "addi-data/addi_eeprom.c"
10 #include "addi-data/hwdrv_apci1564.c"
11 #include "addi-data/addi_common.c"
12
13 static const struct addi_board apci1564_boardtypes[] = {
14 {
15 .pc_DriverName = "apci1564",
16 .i_IorangeBase1 = APCI1564_ADDRESS_RANGE,
17 .i_PCIEeprom = ADDIDATA_EEPROM,
18 .pc_EepromChip = ADDIDATA_93C76,
19 .i_NbrDiChannel = 32,
20 .i_NbrDoChannel = 32,
21 .i_DoMaxdata = 0xffffffff,
22 .i_Timer = 1,
23 .interrupt = v_APCI1564_Interrupt,
24 .reset = i_APCI1564_Reset,
25 .di_config = i_APCI1564_ConfigDigitalInput,
26 .di_bits = apci1564_di_insn_bits,
27 .do_config = i_APCI1564_ConfigDigitalOutput,
28 .do_bits = apci1564_do_insn_bits,
29 .do_read = i_APCI1564_ReadInterruptStatus,
30 .timer_config = i_APCI1564_ConfigTimerCounterWatchdog,
31 .timer_write = i_APCI1564_StartStopWriteTimerCounterWatchdog,
32 .timer_read = i_APCI1564_ReadTimerCounterWatchdog,
33 },
34 };
35
36 static int apci1564_auto_attach(struct comedi_device *dev,
37 unsigned long context)
38 {
39 dev->board_ptr = &apci1564_boardtypes[0];
40
41 return addi_auto_attach(dev, context);
42 }
43
44 static struct comedi_driver apci1564_driver = {
45 .driver_name = "addi_apci_1564",
46 .module = THIS_MODULE,
47 .auto_attach = apci1564_auto_attach,
48 .detach = i_ADDI_Detach,
49 };
50
51 static int apci1564_pci_probe(struct pci_dev *dev,
52 const struct pci_device_id *id)
53 {
54 return comedi_pci_auto_config(dev, &apci1564_driver, id->driver_data);
55 }
56
57 static DEFINE_PCI_DEVICE_TABLE(apci1564_pci_table) = {
58 { PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA, 0x1006) },
59 { 0 }
60 };
61 MODULE_DEVICE_TABLE(pci, apci1564_pci_table);
62
63 static struct pci_driver apci1564_pci_driver = {
64 .name = "addi_apci_1564",
65 .id_table = apci1564_pci_table,
66 .probe = apci1564_pci_probe,
67 .remove = comedi_pci_auto_unconfig,
68 };
69 module_comedi_pci_driver(apci1564_driver, apci1564_pci_driver);
70
71 MODULE_AUTHOR("Comedi http://www.comedi.org");
72 MODULE_DESCRIPTION("Comedi low-level driver");
73 MODULE_LICENSE("GPL");