If the kernel/BIOS reports wrong PCI device aff...
If the kernel/BIOS reports wrong PCI device aff...

If the kernel/BIOS reports wrong PCI device affinity or if the OS doesn't
support it, we may get a cpuset that correspond to no parent.
Just attach to the top level system then (instead of segfaulting).

This commit was SVN r1079.

ggouaillardet/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc,shekkbuilder/hwloc,ggouaillardet/hwloc,ggouaillardet/hwloc,shekkbuilder/hwloc