diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2010-08-18 08:27:55 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-08-24 15:28:27 +1000 |
| commit | 76ec01dbb70353928a9cee826502073ae928bbba (patch) | |
| tree | 1778622e12a70290a173f19a9c25b20c6a0cb4b9 /arch/powerpc/kernel/pci_of_scan.c | |
| parent | c686ecf5040d287a68d4fca7f1948472f556a6d3 (diff) | |
| download | blackbird-op-linux-76ec01dbb70353928a9cee826502073ae928bbba.tar.gz blackbird-op-linux-76ec01dbb70353928a9cee826502073ae928bbba.zip | |
powerpc/pci: Fix checking for child bridges in PCI code.
pci_device_to_OF_node() can return null, and list_for_each_entry will
never enter the loop when dev is NULL, so it looks like this test is
a typo.
Reported-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/pci_of_scan.c')
| -rw-r--r-- | arch/powerpc/kernel/pci_of_scan.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c index 62dd363a9762..e751506323b4 100644 --- a/arch/powerpc/kernel/pci_of_scan.c +++ b/arch/powerpc/kernel/pci_of_scan.c @@ -336,7 +336,8 @@ static void __devinit __of_scan_bus(struct device_node *node, if (dev->hdr_type == PCI_HEADER_TYPE_BRIDGE || dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) { struct device_node *child = pci_device_to_OF_node(dev); - of_scan_pci_bridge(child, dev); + if (child) + of_scan_pci_bridge(child, dev); } } } |
