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authorBarry Song <Barry.Song@csr.com>2011-10-24 02:40:40 -0700
committerBarry Song <Barry.Song@csr.com>2011-10-24 02:45:43 -0700
commit1e11bec9b09a28f81dd3173fec6b1c6c56b5e299 (patch)
treecddb92f82bda3a5f362bb6d9f775d25dd1205e6b /arch/x86/pci/acpi.c
parent2558bd99cb1426a05ac8f1c78dc9c75a83ceb4bb (diff)
parent91c2ebb90b1890abc648ba9dec5608cbc97e1cb9 (diff)
Merge branch 'l2x0' of rmk tree into prima2-l2x0
Diffstat (limited to 'arch/x86/pci/acpi.c')
-rw-r--r--arch/x86/pci/acpi.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index c95330267f0..039d91315bc 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -365,8 +365,13 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root)
*/
if (bus) {
struct pci_bus *child;
- list_for_each_entry(child, &bus->children, node)
- pcie_bus_configure_settings(child, child->self->pcie_mpss);
+ list_for_each_entry(child, &bus->children, node) {
+ struct pci_dev *self = child->self;
+ if (!self)
+ continue;
+
+ pcie_bus_configure_settings(child, self->pcie_mpss);
+ }
}
if (!bus)