In __pci_bus_size_bridges() we check whether a pci bus is a root
bus by testing bus->self. As indicated by commit 79af72d7
("PCI: pci_is_root_bus helper"), bus->self == NULL is not a proper
way to check the pci root bus.
This patch changes it to pci_is_root_bus() to check whether it is
a root bus.
Signed-off-by: Wei Yang <weiyang@xxxxxxxxxxxxxxxxxx>
---
drivers/pci/setup-bus.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 520210f..989de3c 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -1134,7 +1134,7 @@ void __ref __pci_bus_size_bridges(struct pci_bus *bus,
}
/* The root bus? */
- if (!bus->self)
+ if (pci_is_root_bus(bus))
return;
switch (bus->self->class >> 8) {
--
1.7.1
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