[POWERPC] Fix possible NULL deref in ppc32 PCI
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Fri, 21 Dec 2007 03:53:27 +0000 (14:53 +1100)
committerPaul Mackerras <paulus@samba.org>
Fri, 21 Dec 2007 11:14:07 +0000 (22:14 +1100)
commitb1b166b7ea2ec15700a8ba5c6ec99c2f9ecad89e
tree066e5c4b1ed75eefbd3d443fe8a87f1f61fc9648
parent0094f2cdcfb6f2132b2ea3b4e85e0f6899c8595b
[POWERPC] Fix possible NULL deref in ppc32 PCI

The 32-bit PCI code tests if "bus" is non-NULL after calling
pci_scan_bus_parented() in one place but not another before
dereferencing it.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
arch/powerpc/kernel/pci_32.c