From 1eae9639aac0f8de4d284f567ec722a822b52513 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A9=20Fabian=20Silva=20Delgado?=
 <emulatorman@parabola.nu>
Date: Tue, 1 Nov 2016 14:27:38 -0300
Subject: Linux-libre 4.8.6-gnu

---
 arch/powerpc/kernel/eeh_driver.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'arch/powerpc/kernel/eeh_driver.c')

diff --git a/arch/powerpc/kernel/eeh_driver.c b/arch/powerpc/kernel/eeh_driver.c
index 5f36e8a70..29aa8d1ce 100644
--- a/arch/powerpc/kernel/eeh_driver.c
+++ b/arch/powerpc/kernel/eeh_driver.c
@@ -994,6 +994,14 @@ static void eeh_handle_special_event(void)
 				/* Notify all devices to be down */
 				eeh_pe_state_clear(pe, EEH_PE_PRI_BUS);
 				bus = eeh_pe_bus_get(phb_pe);
+				if (!bus) {
+					pr_err("%s: Cannot find PCI bus for "
+					       "PHB#%d-PE#%x\n",
+					       __func__,
+					       pe->phb->global_number,
+					       pe->addr);
+					break;
+				}
 				eeh_pe_dev_traverse(pe,
 					eeh_report_failure, NULL);
 				pci_hp_remove_devices(bus);
-- 
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