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authorDavid Daney <david.daney@cavium.com>2011-08-16 11:24:37 -0700
committerJesse Barnes <jbarnes@virtuousgeek.org>2011-08-19 08:51:37 -0700
commit69566dd8be42dea7a22f625abc96e65bb4b45d1f (patch)
tree48e73a52bd8b79b5b8674243b54b5f2e346e5b9b /block
parentdebc3b778508f59696ff188f0feca271dcbfa7d9 (diff)
PCI: OF: Don't crash when bridge parent is NULL.
In pcibios_get_phb_of_node(), we will crash while booting if bus->bridge->parent is NULL. Check for this case and avoid dereferencing the NULL pointer. Signed-off-by: David Daney <david.daney@cavium.com> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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