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| author | Bjorn Helgaas <bhelgaas@google.com> | 2016-12-12 18:25:04 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-12-12 18:25:04 +0100 |
| commit | db5ba864126476fcaa3778b40d12f25168af206b (patch) | |
| tree | d90e40908cb8e8a8aa4b5dd046d3ff32e0088cc3 /drivers/pci | |
| parent | Merge branch 'pci/misc' into next (diff) | |
| parent | PCI/MSI: Check for NULL affinity mask in pci_irq_get_affinity() (diff) | |
| download | linux-db5ba864126476fcaa3778b40d12f25168af206b.tar.xz linux-db5ba864126476fcaa3778b40d12f25168af206b.zip | |
Merge branch 'pci/msi' into next
* pci/msi:
PCI/MSI: Check for NULL affinity mask in pci_irq_get_affinity()
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/msi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index bfdd0744b686..da4e3c1248db 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -1292,7 +1292,8 @@ const struct cpumask *pci_irq_get_affinity(struct pci_dev *dev, int nr) } else if (dev->msi_enabled) { struct msi_desc *entry = first_pci_msi_entry(dev); - if (WARN_ON_ONCE(!entry || nr >= entry->nvec_used)) + if (WARN_ON_ONCE(!entry || !entry->affinity || + nr >= entry->nvec_used)) return NULL; return &entry->affinity[nr]; |