PCI: Document reason for using pci_is_root_bus()

Browse source

Some code assumes "bus->self == NULL" means the bus is a root bus.  This
adds a comment explaining why this is incorrect ("virtual" buses added for
SR-IOV have "bus->self == NULL" but are not root buses).

No functional change.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

...

This commit is contained in:

Bjorn Helgaas 2013-09-24 15:14:57 -06:00

parent 2ba29e270e

commit 77a0dfcd8a

1 changed files with 4 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

4

include/linux/pci.h

View file