From 20349781a3ca833c67126888ddfce7c1517c772e Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 7 Jul 2020 13:12:10 -0600 Subject: pci: Avoid a crash in device_is_on_pci_bus() This function cannot currently be called on the root node. Add a check for this as well as a test. Signed-off-by: Simon Glass Reviewed-by: Wolfgang Wallner Reviewed-by: Bin Meng --- include/dm/device.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include') diff --git a/include/dm/device.h b/include/dm/device.h index f5738a0cee9..953706cf525 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -764,7 +764,7 @@ int dev_enable_by_path(const char *path); */ static inline bool device_is_on_pci_bus(const struct udevice *dev) { - return device_get_uclass_id(dev->parent) == UCLASS_PCI; + return dev->parent && device_get_uclass_id(dev->parent) == UCLASS_PCI; } /** -- cgit v1.3.1