diff options
| -rw-r--r-- | kernel/irq/msi.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 3e18163f336f..474de5cb394d 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -310,8 +310,15 @@ void msi_domain_free_irqs(struct irq_domain *domain, struct device *dev) struct msi_desc *desc; for_each_msi_entry(desc, dev) { - irq_domain_free_irqs(desc->irq, desc->nvec_used); - desc->irq = 0; + /* + * We might have failed to allocate an MSI early + * enough that there is no IRQ associated to this + * entry. If that's the case, don't do anything. + */ + if (desc->irq) { + irq_domain_free_irqs(desc->irq, desc->nvec_used); + desc->irq = 0; + } } } |