s390_find_dev_by_idx() only indexes usable zpci devices. It implies
that the index value of each zpci device is dynamic and may change if
a new zpci device is plugged. So we have to use a constant index to
look up the device.
Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
S390PCIBusDevice *s390_pci_find_dev_by_idx(uint32_t idx)
{
- S390PCIBusDevice *pbdev;
- int i;
- int j = 0;
S390pciState *s = s390_get_phb();
- for (i = 0; i < PCI_SLOT_MAX; i++) {
- pbdev = s->pbdev[i];
- if (!pbdev) {
- continue;
- }
-
- if (pbdev->state == ZPCI_FS_RESERVED) {
- continue;
- }
-
- if (j == idx) {
- return pbdev;
- }
- j++;
- }
-
- return NULL;
+ return s->pbdev[idx & FH_MASK_INDEX];
}
S390PCIBusDevice *s390_pci_find_dev_by_fh(uint32_t fh)