New patch to review for coreboot: util/intelmetool: Fix segfault on Dell Chromebook 13/Wildcat Point LP

[Huan Truong]

Huan Truong ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18573

-gerrit

commit 210b75c8281ccfe9620f390acf2a7c28345e2355
Author: Huan Truong 
Date:   Sun Mar 5 02:24:51 2017 -0600

util/intelmetool: Fix segfault on Dell Chromebook 13/Wildcat Point LP

The intel ME checker tool would segfault if it couldn't find a single eligible device when it finish scanning for pci devices. In that case the dev pointer will be NULL, this patch makes sure that case doesn't happen.

Change-Id: Ia13191799d7e00185947f9df5188cb2666c43e2a
    Signed-off-by: Huan Truong 
---
 util/intelmetool/intelmetool.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/util/intelmetool/intelmetool.c b/util/intelmetool/intelmetool.c
index 70b23fb..45e8c8f 100644
--- a/util/intelmetool/intelmetool.c
+++ b/util/intelmetool/intelmetool.c
@@ -137,7 +137,8 @@ static int pci_platform_scan() {
    	}
    }

-	if (!PCI_DEV_HAS_ME_DISABLE(dev->device_id) &&
+	if (dev != NULL &&
+	!PCI_DEV_HAS_ME_DISABLE(dev->device_id) &&
    !PCI_DEV_HAS_ME_DIFFICULT(dev->device_id) &&
    !PCI_DEV_CAN_DISABLE_ME_IF_PRESENT(dev->device_id) &&
    !PCI_DEV_ME_NOT_SURE(dev->device_id)) {