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Merge branch 'pci/controller/hyperv'

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- Return zero, not garbage, when reading PCI_INTERRUPT_PIN from a Hyper-V
  device (Wei Liu)

* pci/controller/hyperv:
  PCI: hv: Return zero, not garbage, when reading PCI_INTERRUPT_PIN
This commit is contained in:
Bjorn Helgaas 2024-07-19 10:10:27 -05:00
commit 477ddcd8ef
1 changed files with 2 additions and 2 deletions
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4
drivers/pci/controller/pci-hyperv.c
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@ -1130,8 +1130,8 @@ static void _hv_pcifront_read_config(struct hv_pci_dev *hpdev, int where,
PCI_CAPABILITY_LIST) {
/* ROM BARs are unimplemented */
*val = 0;
} else if (where >= PCI_INTERRUPT_LINE && where + size <=
PCI_INTERRUPT_PIN) {
} else if ((where >= PCI_INTERRUPT_LINE && where + size <= PCI_INTERRUPT_PIN) ||
(where >= PCI_INTERRUPT_PIN && where + size <= PCI_MIN_GNT)) {
/*
* Interrupt Line and Interrupt PIN are hard-wired to zero
* because this front-end only supports message-signaled