On 02/23/18 at 12:42pm, Tyler Baicar wrote:
> If ESRT initialization fails due to an unsupported version, the
> early_memremap allocation is never unmapped. This will cause an
> early ioremap leak. So, make sure to unmap the memory allocation
> before returning from efi_esrt_init().
> 
> Signed-off-by: Tyler Baicar <tbai...@codeaurora.org>
> ---
>  drivers/firmware/efi/esrt.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/firmware/efi/esrt.c b/drivers/firmware/efi/esrt.c
> index c47e0c6..504f3c3 100644
> --- a/drivers/firmware/efi/esrt.c
> +++ b/drivers/firmware/efi/esrt.c
> @@ -285,7 +285,7 @@ void __init efi_esrt_init(void)
>       } else {
>               pr_err("Unsupported ESRT version %lld.\n",
>                      tmpesrt.fw_resource_version);
> -             return;
> +             goto err_memunmap;
>       }
>  
>       if (tmpesrt.fw_resource_count > 0 && max - size < entry_size) {
> -- 
> Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm 
> Technologies, Inc.
> Qualcomm Technologies, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project.
> 
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Reviewed-by: Dave Young <dyo...@redhat.com>

Thanks
Dave

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