x86: check boundary in count setup resource
[linux-3.10.git] / arch / x86 / pci / acpi.c
index 2d88f7c6d6ac901a3f2f2ffe2f64f680706b435a..7e35078673a4a43f83fb70143cfb131eeb1e88c9 100644 (file)
@@ -77,6 +77,9 @@ count_resource(struct acpi_resource *acpi_res, void *data)
        struct acpi_resource_address64 addr;
        acpi_status status;
 
        struct acpi_resource_address64 addr;
        acpi_status status;
 
+       if (info->res_num >= PCI_BUS_NUM_RESOURCES)
+               return AE_OK;
+
        status = resource_to_addr(acpi_res, &addr);
        if (ACPI_SUCCESS(status))
                info->res_num++;
        status = resource_to_addr(acpi_res, &addr);
        if (ACPI_SUCCESS(status))
                info->res_num++;
@@ -93,6 +96,9 @@ setup_resource(struct acpi_resource *acpi_res, void *data)
        unsigned long flags;
        struct resource *root;
 
        unsigned long flags;
        struct resource *root;
 
+       if (info->res_num >= PCI_BUS_NUM_RESOURCES)
+               return AE_OK;
+
        status = resource_to_addr(acpi_res, &addr);
        if (!ACPI_SUCCESS(status))
                return AE_OK;
        status = resource_to_addr(acpi_res, &addr);
        if (!ACPI_SUCCESS(status))
                return AE_OK;