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[PATCH] x86: check boundary in count/setup_resource called by get_current_resources need to check info->res_num less than PCI_BUS_NUM_RESOURCES, so info->bus->resource[info->res_num] = res will not beyond of bus resource array when acpi resutrn too many resource entries. Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Index: linux-2.6/arch/x86/pci/acpi.c =================================================================== --- linux-2.6.orig/arch/x86/pci/acpi.c +++ linux-2.6/arch/x86/pci/acpi.c @@ -77,9 +77,13 @@ count_resource(struct acpi_resource *acp 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++; + return AE_OK; } @@ -93,6 +97,9 @@ setup_resource(struct acpi_resource *acp 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; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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