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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-09-13 15:16:33 -0300
committerLinus Torvalds <torvalds@linux-foundation.org>2011-09-13 16:08:31 -0700
commit1a4b1a41b8a3d5256019854e851beed063b34344 (patch)
treefa62183e093cf032c74cac8149fb69a49b07b7e0 /lib/sha1.c
parent2f4d3218e95d48de2951dcf2bea619ea49ef93de (diff)
pci: Don't crash when reading mpss from root complex
In pcie_find_smpss(), we have the following statement: if (dev->is_hotplug_bridge && (!list_is_singular(&dev->bus->devices) || dev->bus->self->pcie_type != PCI_EXP_TYPE_ROOT_PORT)) The problem is that at least on my machine, this gets called for the root complex (virtual P2P bridge), and dev->bus->self is NULL since the parent bus for this is not itself anchor to a PCI device. This adds the necessary NULL check. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Jon Mason <mason@myri.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/sha1.c')
0 files changed, 0 insertions, 0 deletions