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 <tbaicar@xxxxxxxxxxxxxx>
> ---
> 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 <dyoung@xxxxxxxxxx>
Thanks
Dave
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