From: Kenji Kaneshige Date: Tue, 17 Feb 2009 05:15:16 +0000 (+0900) Subject: PCI: fix wrong assumption in pci_read_bridge_bases X-Git-Tag: firefly_0821_release~14994^2~50 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f92d4e29d785f1d4217dee7f1ae6ff7140547ed5;p=firefly-linux-kernel-4.4.55.git PCI: fix wrong assumption in pci_read_bridge_bases Current pci_read_bridge_bases() has an assumption that pci_bus->self is NULL on the pci root bus (It checks pci_bus->self to see if the pci bus is root bus). But is might not true on some platforms. We must check pci_bus->parent instead. Signed-off-by: Kenji Kaneshige Signed-off-by: Jesse Barnes --- diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 55ec44a27e89..23362e8c696f 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -287,7 +287,7 @@ void __devinit pci_read_bridge_bases(struct pci_bus *child) struct resource *res; int i; - if (!dev) /* It's a host bus, nothing to read */ + if (!child->parent) /* It's a host bus, nothing to read */ return; if (dev->transparent) {