Commit 4121477d authored by Konrad Sztyber's avatar Konrad Sztyber Committed by Jim Harris
Browse files

lib/vmd: make sure pcie_cap is not NULL before dereferencing it 



Fixes #1006

Change-Id: I761e1cbb49c09318a8d2eda9b4a2ee0bcdcebc37
Signed-off-by: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/472385


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarMaciej Wawryk <maciejx.wawryk@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarZiye Yang <ziye.yang@intel.com>
parent efbcd259

lib/vmd/vmd.c

+1 −1
Original line number Diff line number Diff line
@@ -869,7 +869,7 @@ vmd_scan_single_bus(struct vmd_pci_bus *bus, struct vmd_pci_device *parent_bridg 
			new_bus->self = new_dev;

			new_dev->bus_object = new_bus;



			if (slot_cap.bit_field.hotplug_capable &&

			if (slot_cap.bit_field.hotplug_capable && new_dev->pcie_cap != NULL &&

			    new_dev->pcie_cap->express_cap_register.bit_field.slot_implemented) {

				new_bus->hotplug_buses = vmd_get_hotplug_bus_numbers(new_dev);

				new_bus->subordinate_bus += new_bus->hotplug_buses;