*
* The function is used in the driver initialization phase to catch possible memory
* leaks for future driver finalization or case, that driver initialization fail.
- *
+ *
* Return Value: pointer to the allocated memory or NULL in the case of fail
*/
void *can_checked_malloc(size_t size)
{
struct mem_addr *mem_new;
void *address_p;
-
+
address_p=kmalloc(size,GFP_KERNEL);
if(address_p == NULL) {
CANMSG("can_checked_malloc: out of the memory\n");
kfree(address_p);
return 0;
}
-
+
CANMSG("can_checked_free: address %p not found on the mem list\n", address_p);
-
+
kfree(address_p);
return -1;
}
kfree(mem->address);
kfree(mem);
}
-
+
return 0;
}
#endif
}
+#ifdef CAN_ENABLE_PCI_SUPPORT
+
+struct pci_dev *can_pci_get_next_untaken_device(unsigned int vendor, unsigned int device)
+{
+ struct pci_dev *pcidev = NULL;
+
+ do {
+ pcidev = can_pci_get_device(vendor, device, pcidev);
+ if(pcidev == NULL)
+ return NULL;
+ } while(can_check_dev_taken(pcidev));
+
+ return pcidev;
+}
+
+struct pci_dev *can_pci_get_next_untaken_subsyst(unsigned int vendor, unsigned int device,
+ unsigned int ss_vendor, unsigned int ss_device)
+{
+ struct pci_dev *pcidev = NULL;
+
+ do {
+ pcidev = can_pci_get_subsys(vendor, device, ss_vendor, ss_device, pcidev);
+ if(pcidev == NULL)
+ return NULL;
+ } while(can_check_dev_taken(pcidev));
+
+ return pcidev;
+}
+
+#endif /*CAN_ENABLE_PCI_SUPPORT*/
+
#ifndef CAN_WITH_RTL
/**
* The CAN driver uses this pointer to store relationship of interrupt
* to chip state structure - @struct canchip_t
* @regs: system dependent value pointing to registers stored in exception frame
- *
+ *
* File: src/setup.c
*/
can_irqreturn_t can_default_irq_dispatch(CAN_IRQ_HANDLER_ARGS(irq_number, dev_id))
return 0;
if(chip->flags & CHIP_IRQ_CUSTOM)
return 1;
-
+
if ((chip->flags & CHIP_IRQ_VME) == 0) {
if (request_irq(chip->chip_irq,can_default_irq_dispatch,IRQF_SHARED,DEVICE_NAME,chip))
return -1;
CANMSG("Bad irq parameter. (1 <= irq <= 255).\n");
return -EINVAL;
}
-
+
request_vmeirq(chip->chip_irq, can_default_irq_dispatch, chip);
DEBUGMSG("Registered VME interrupt vector %d\n",chip->chip_irq);
chip->flags |= CHIP_IRQ_SETUP;
if ((chip->flags & CHIP_IRQ_VME) == 0)
free_irq(chip->chip_irq, chip);
- else {
+ else {
#ifdef CAN_ENABLE_VME_SUPPORT
free_vmeirq(chip->chip_irq);
#endif