diff --git a/drivers/irqchip/irq-msi-lib.c b/drivers/irqchip/irq-msi-lib.c index d5eefc3d7215..45e0ed3134ce 100644 --- a/drivers/irqchip/irq-msi-lib.c +++ b/drivers/irqchip/irq-msi-lib.c @@ -48,6 +48,9 @@ bool msi_lib_init_dev_msi_info(struct device *dev, struct irq_domain *domain, return false; } + if (WARN_ON_ONCE(!chip->irq_write_msi_msg)) + return false; + required_flags = pops->required_flags; /* Is the target domain bus token supported? */