Re: [PATCH] fix sctp breakage

[Vlad Yasevich <vladislav.yasevich@hp.com>]

Al Viro wrote:
> broken by commit 5e739d1752aca4e8f3e794d431503bfca3162df4; AFAICS should
> be -stable fodder as well...
> 
> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
> ---
> diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c
> index 4c8d9f4..905fda5 100644
> --- a/net/sctp/endpointola.c
> +++ b/net/sctp/endpointola.c
> @@ -111,7 +111,8 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
>  		if (sctp_addip_enable) {
>  			auth_chunks->chunks[0] = SCTP_CID_ASCONF;
>  			auth_chunks->chunks[1] = SCTP_CID_ASCONF_ACK;
> -			auth_chunks->param_hdr.length += htons(2);
> +			auth_chunks->param_hdr.length =
> +					htons(sizeof(sctp_paramhdr_t) + 2);
>  		}
>  	}
>  

ACK.  That wasn't a good way to write that increment.  I should have thought more
about it, but at the time it seemed like a good idea...

Thanks
-vlad

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