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(parent: f2b3b42) | patch
PCI: OF: Don't crash when bridge parent is NULL.
authorDavid Daney <david.daney@cavium.com>
Tue, 16 Aug 2011 18:24:37 +0000 (11:24 -0700)
committerJesse Barnes <jbarnes@virtuousgeek.org>
Fri, 19 Aug 2011 15:51:37 +0000 (08:51 -0700)
commit4a8de4aba8d8b1e0ffa4d9210acaf83e2d2ea047
tree48e73a52bd8b79b5b8674243b54b5f2e346e5b9btree | snapshot
parentf2b3b42e2b774f1495302666c957e707e176c8abcommit | 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>
drivers/pci/of.c diff | blob | history
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