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pci-v6.18-fixes-1

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Merge tag 'pci-v6.18-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci

Pull pci fix from Bjorn Helgaas:

 - Fix a resource lookup regression that broke enumeration of hotplugged
   Thunderbolt devices on several platforms (Yangyu Chen)

* tag 'pci-v6.18-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
  PCI: Fix regression in pci_bus_distribute_available_resources()
This commit is contained in:
Linus Torvalds 2025-10-08 18:51:00 -07:00
commit 37bfdbc11b
1 changed files with 3 additions and 2 deletions
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5
drivers/pci/setup-bus.c
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@ -2085,7 +2085,8 @@ static void pci_bus_distribute_available_resources(struct pci_bus *bus,
int i;
for (i = 0; i < PCI_P2P_BRIDGE_RESOURCE_NUM; i++) {
struct resource *res = pci_bus_resource_n(bus, i);
struct resource *res =
pci_resource_n(bridge, PCI_BRIDGE_RESOURCES + i);
available[i] = available_in[i];
@ -2158,7 +2159,7 @@ static void pci_bus_distribute_available_resources(struct pci_bus *bus,
continue;
for (i = 0; i < PCI_P2P_BRIDGE_RESOURCE_NUM; i++) {
res = pci_bus_resource_n(bus, i);
res = pci_resource_n(dev, PCI_BRIDGE_RESOURCES + i);
/*
* Make sure the split resource space is properly