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-rw-r--r--drivers/pci/hotplug/acpiphp_glue.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index b3899cfcab6..ef95d12fb32 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -219,8 +219,13 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
newfunc->flags |= FUNC_HAS_DCK;
status = acpi_evaluate_integer(handle, "_SUN", NULL, &sun);
- if (ACPI_FAILURE(status))
- sun = -1;
+ if (ACPI_FAILURE(status)) {
+ /*
+ * use the count of the number of slots we've found
+ * for the number of the slot
+ */
+ sun = bridge->nr_slots+1;
+ }
/* search for objects that share the same slot */
for (slot = bridge->slots; slot; slot = slot->next)