Set the domain info flag which tells the core code to free the MSI descriptors from msi_domain_free_irqs() and add an explicit call to the core function into the legacy code. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> --- drivers/pci/msi/irqdomain.c | 3 ++- drivers/pci/msi/legacy.c | 1 + drivers/pci/msi/msi.c | 14 -------------- 3 files changed, 3 insertions(+), 15 deletions(-) --- a/drivers/pci/msi/irqdomain.c +++ b/drivers/pci/msi/irqdomain.c @@ -171,7 +171,8 @@ struct irq_domain *pci_msi_create_irq_do if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS) pci_msi_domain_update_chip_ops(info); - info->flags |= MSI_FLAG_ACTIVATE_EARLY | MSI_FLAG_DEV_SYSFS; + info->flags |= MSI_FLAG_ACTIVATE_EARLY | MSI_FLAG_DEV_SYSFS | + MSI_FLAG_FREE_MSI_DESCS; if (IS_ENABLED(CONFIG_GENERIC_IRQ_RESERVATION_MODE)) info->flags |= MSI_FLAG_MUST_REACTIVATE; --- a/drivers/pci/msi/legacy.c +++ b/drivers/pci/msi/legacy.c @@ -81,4 +81,5 @@ void pci_msi_legacy_teardown_msi_irqs(st { msi_device_destroy_sysfs(&dev->dev); arch_teardown_msi_irqs(dev); + msi_free_msi_descs(&dev->dev); } --- a/drivers/pci/msi/msi.c +++ b/drivers/pci/msi/msi.c @@ -224,22 +224,8 @@ EXPORT_SYMBOL_GPL(pci_write_msi_msg); static void free_msi_irqs(struct pci_dev *dev) { - struct list_head *msi_list = dev_to_msi_list(&dev->dev); - struct msi_desc *entry, *tmp; - int i; - - for_each_pci_msi_entry(entry, dev) - if (entry->irq) - for (i = 0; i < entry->nvec_used; i++) - BUG_ON(irq_has_action(entry->irq + i)); - pci_msi_teardown_msi_irqs(dev); - list_for_each_entry_safe(entry, tmp, msi_list, list) { - list_del(&entry->list); - free_msi_entry(entry); - } - if (dev->msix_base) { iounmap(dev->msix_base); dev->msix_base = NULL;