diff options
Diffstat (limited to 'drivers/pci/msi.c')
| -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 dd27f73a45fc..50c5003295ca 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -1302,7 +1302,8 @@ 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]; |