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Michael Brown
95e756569a
Some systems (observed on a Dell C6615) fail to correctly populate the subordinate PCI bus number on some PCI bridges. We do not currently guard against this behaviour, causing us to subsequently scan through a huge expanse of the PCI bus:dev.fn address range. Fix by ignoring the subordinate bus number if it is lower than the bridge's own bus number. Reported-by: Anisse Astier <an.astier@criteo.com> Reported-by: Ahmad Mahagna <ahmhad@nvidia.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
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