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Code Issues Releases Wiki Activity

kernel/pci: fix pci device compare function

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list_search's compare function has to return 0 on match.
This commit is contained in:
daniel-k 2017-11-28 12:08:32 +01:00
parent eeafb2bcc6
commit babec9a574
1 changed files with 12 additions and 14 deletions
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26
fpga/lib/kernel/pci.c
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@ -232,23 +232,21 @@ fail:
int pci_device_compare(const struct pci_device *d, const struct pci_device *f)
{
if ((f->slot.domain >= 0 && f->slot.domain != d->slot.domain) ||
(f->slot.bus >= 0 && f->slot.bus != d->slot.bus) ||
(f->slot.device >= 0 && f->slot.device != d->slot.device) ||
(f->slot.function >= 0 && f->slot.function != d->slot.function))
return 0;
if ((f->slot.domain != 0 && f->slot.domain != d->slot.domain) ||
(f->slot.bus != 0 && f->slot.bus != d->slot.bus) ||
(f->slot.device != 0 && f->slot.device != d->slot.device) ||
(f->slot.function != 0 && f->slot.function != d->slot.function))
return 1;
if (f->id.device >= 0 || f->id.vendor >= 0) {
if ((f->id.device >= 0 && f->id.device != d->id.device) || (f->id.vendor >= 0 && f->id.vendor != d->id.vendor))
return 0;
}
if ((f->id.device != 0 && f->id.device != d->id.device) ||
(f->id.vendor != 0 && f->id.vendor != d->id.vendor))
return 1;
if (f->id.class >= 0) {
if (f->id.class != d->id.class)
return 0;
}
if ((f->id.class != 0) || (f->id.class != d->id.class))
return 1;
return 1;
// found
return 0;
}
struct pci_device * pci_lookup_device(struct pci *p, struct pci_device *f)