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PCI: Refactor find_bus_resource_of_type() logic checks

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Reorder the logic checks in find_bus_resource_of_type() to simplify them.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20250829131113.36754-6-ilpo.jarvinen@linux.intel.com
This commit is contained in:
Ilpo Järvinen 2025-08-29 16:10:54 +03:00 committed by Bjorn Helgaas
parent e240edffd0
commit 1ce76bc049
1 changed files with 7 additions and 3 deletions
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10
drivers/pci/setup-bus.c
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@ -158,11 +158,15 @@ static struct resource *find_bus_resource_of_type(struct pci_bus *bus,
struct resource *r, *r_assigned = NULL;
pci_bus_for_each_resource(bus, r) {
if (r == &ioport_resource || r == &iomem_resource)
if (!r || r == &ioport_resource || r == &iomem_resource)
continue;
if (r && (r->flags & type_mask) == type && !r->parent)
if ((r->flags & type_mask) != type)
continue;
if (!r->parent)
return r;
if (r && (r->flags & type_mask) == type && !r_assigned)
if (!r_assigned)
r_assigned = r;
}
return r_assigned;