From: Suneel Garapati <sgarapati@marvell.com>
Date: Tue, 5 May 2020 04:25:25 +0000 (-0700)
Subject: pci: pci-uclass: Check validity of ofnode
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=f0c369284d8da6691d3895d9d9d83015c141008a;p=u-boot.git

pci: pci-uclass: Check validity of ofnode

Add check if the referenced ofnode is valid.

Signed-off-by: Suneel Garapati <sgarapati@marvell.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
---

diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index fc60dfe395..d8a6647a1d 100644
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -539,7 +539,8 @@ int pci_auto_config_devices(struct udevice *bus)
 		int ret;
 
 		debug("%s: device %s\n", __func__, dev->name);
-		if (dev_read_bool(dev, "pci,no-autoconfig"))
+		if (dev_of_valid(dev) &&
+		    dev_read_bool(dev, "pci,no-autoconfig"))
 			continue;
 		ret = dm_pciauto_config_device(dev);
 		if (ret < 0)
@@ -1025,8 +1026,11 @@ static int pci_uclass_pre_probe(struct udevice *bus)
 	hose->bus = bus;
 	hose->first_busno = bus->seq;
 	hose->last_busno = bus->seq;
-	hose->skip_auto_config_until_reloc =
-		dev_read_bool(bus, "u-boot,skip-auto-config-until-reloc");
+	if (dev_of_valid(bus)) {
+		hose->skip_auto_config_until_reloc =
+			dev_read_bool(bus,
+				      "u-boot,skip-auto-config-until-reloc");
+	}
 
 	return 0;
 }