Ma, Maurice c28306c3d6 MdeModulePkg: Skip invalid bus number scanning in PciBusDxe driver
When PcdPciDisableBusEnumeration is enabled, the PciBus driver
might get into a dead loop if the secondary bus register on PCI
bridge is not programmed or programmed improperly. Adding this
check to avoid any potential dead loop caused by this.

Cc: Feng Tian <feng.tian@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Maurice Ma <maurice.ma@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Lee Leahy <Leroy.p.leahy@intel.com>
2016-05-18 16:03:30 +08:00
2014-10-14 16:08:15 +00:00
2016-04-22 00:55:21 -07:00
2014-10-14 16:08:15 +00:00
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