Re: [PATCH 2/2] SUNRPC: compare scopeid for link-local addresses

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Hi guys:

  What's the situation about those two paths?


thanks,
Mi Jinlong

Mi Jinlong:
> For ipv6 link-local addresses, sunrpc do not compare those scope id.
> This patch let sunrpc compares scope id only on link-local addresses.
> 
> Signed-off-by: Mi Jinlong <mijinlong@xxxxxxxxxxxxxx>
> ---
>  include/linux/sunrpc/clnt.h |    8 +++++++-
>  1 files changed, 7 insertions(+), 1 deletions(-)
> 
> diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
> index db7bcaf..ee1bb67 100644
> --- a/include/linux/sunrpc/clnt.h
> +++ b/include/linux/sunrpc/clnt.h
> @@ -218,7 +218,13 @@ static inline bool __rpc_cmp_addr6(const struct sockaddr *sap1,
>  {
>  	const struct sockaddr_in6 *sin1 = (const struct sockaddr_in6 *)sap1;
>  	const struct sockaddr_in6 *sin2 = (const struct sockaddr_in6 *)sap2;
> -	return ipv6_addr_equal(&sin1->sin6_addr, &sin2->sin6_addr);
> +
> +	if (!ipv6_addr_equal(&sin1->sin6_addr, &sin2->sin6_addr))
> +		return false;
> +	else if (ipv6_addr_type(&sin1->sin6_addr) & IPV6_ADDR_LINKLOCAL)
> +		return sin1->sin6_scope_id == sin2->sin6_scope_id;
> +
> +	return true;
>  }
>  
>  static inline bool __rpc_copy_addr6(struct sockaddr *dst,

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