PCI: vmd: Move SRCU cleanup after bus, child device removal

Recent __call_srcu() changes have exposed that we need to cleanup SRCU
structures after pci_stop_root_bus() calls into vmd_msi_free().

Fixes: 3906b91844d6 ("PCI: vmd: Use SRCU as a local RCU to prevent delaying global RCU")
Signed-off-by: Jon Derrick <jonathan.derrick@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Keith Busch <keith.busch@intel.com>
Cc: <stable@vger.kernel.org> # 4.11

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/pci/host/vmd.c b/drivers/pci/host/vmd.c
index 53aa1d4b17e8..9d83f37b4cb7 100644
--- a/drivers/pci/host/vmd.c
+++ b/drivers/pci/host/vmd.c
@@ -736,10 +736,10 @@ static void vmd_remove(struct pci_dev *dev)
         struct vmd_dev *vmd = pci_get_drvdata(dev);
 
         vmd_detach_resources(vmd);
-        vmd_cleanup_srcu(vmd);
         sysfs_remove_link(&vmd->dev->dev.kobj, "domain");
         pci_stop_root_bus(vmd->bus);
         pci_remove_root_bus(vmd->bus);
+        vmd_cleanup_srcu(vmd);
         vmd_teardown_dma_ops(vmd);
         irq_domain_remove(vmd->irq_domain);
 }