On Mon, Jan 09, 2017 at 11:41:15PM +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> Subject: [PATCH] IOMMU / AMD: Fix error code path in early_amd_iommu_init()
>
> Prevent early_amd_iommu_init() from leaking memory mapped via
> acpi_get_table() if check_ivrs_checksum() returns an error.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> ---
> drivers/iommu/amd_iommu_init.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux-pm/drivers/iommu/amd_iommu_init.c
> ===================================================================
> --- linux-pm.orig/drivers/iommu/amd_iommu_init.c
> +++ linux-pm/drivers/iommu/amd_iommu_init.c
> @@ -2230,7 +2230,7 @@ static int __init early_amd_iommu_init(v
> */
> ret = check_ivrs_checksum(ivrs_base);
> if (ret)
> - return ret;
> + goto out;
>
> amd_iommu_target_ivhd_type = get_highest_supported_ivhd_type(ivrs_base);
> DUMP_printk("Using IVHD type %#x\n", amd_iommu_target_ivhd_type);
Reviewed-by: Borislav Petkov <bp@xxxxxxx>
--
Regards/Gruss,
Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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