[PATCH 4/9] PCI: brcmstb: Protect root bus removal with rescan lock

[Hans Zhang]

Add missing PCI rescan lock protection in brcm_pcie_remove() before
removing the root bus.

Signed-off-by: Hans Zhang <18255117159@xxxxxxx>
---
 drivers/pci/controller/pcie-brcmstb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/controller/pcie-brcmstb.c b/drivers/pci/controller/pcie-brcmstb.c
index 714bcab97b60..7ca27f0756c9 100644
--- a/drivers/pci/controller/pcie-brcmstb.c
+++ b/drivers/pci/controller/pcie-brcmstb.c
@@ -1894,8 +1894,10 @@ static void brcm_pcie_remove(struct platform_device *pdev)
 	struct brcm_pcie *pcie = platform_get_drvdata(pdev);
 	struct pci_host_bridge *bridge = pci_host_bridge_from_priv(pcie);
 
+	pci_lock_rescan_remove();
 	pci_stop_root_bus(bridge->bus);
 	pci_remove_root_bus(bridge->bus);
+	pci_unlock_rescan_remove();
 	if (pcie->cfg->has_err_report)
 		brcm_unregister_die_notifiers(pcie);
 
-- 
2.34.1