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(parent: bf2cf2f) | patch
sparc64: Skip bogus PCI bridge ranges.
authorDavid S. Miller <davem@davemloft.net>
Wed, 13 Aug 2014 06:27:01 +0000 (23:27 -0700)
committerDavid S. Miller <davem@davemloft.net>
Thu, 14 Aug 2014 04:17:49 +0000 (21:17 -0700)
commit585a315caae9162622ea9b6a0fbef663dff58dee
tree9747dae7206d7aa396ece4c22397d81ba848eba5tree | snapshot
parentbf2cf2ff774b9b2fb7ebaca7ec9d71f1657afd82commit | diff
sparc64: Skip bogus PCI bridge ranges.

It seems that when a PCI Express bridge is not in use and has no devices
behind it, the ranges property is bogus.  Specifically the size property
is of the form [0xffffffff:...], and if you add this size to the resource
start address the 64-bit calculation will overflow.

Just check specifically for this size value signature and skip them.

Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc/kernel/pci.c diff | blob | history
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