netdev - RE: [PATCHv2 net-next 04/12] sctp: implement make_datafrag for sctp_stream

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Date:   Fri, 8 Dec 2017 14:06:04 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Xin Long' <lucien.xin@...il.com>,
        network dev <netdev@...r.kernel.org>,
        "linux-sctp@...r.kernel.org" <linux-sctp@...r.kernel.org>
CC:     Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        Neil Horman <nhorman@...driver.com>,
        "davem@...emloft.net" <davem@...emloft.net>
Subject: RE: [PATCHv2 net-next 04/12] sctp: implement make_datafrag for
 sctp_stream_interleave

From: Xin Long
> Sent: 08 December 2017 13:04
...
> @@ -264,8 +264,8 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
>  				frag |= SCTP_DATA_SACK_IMM;
>  		}
> 
> -		chunk = sctp_make_datafrag_empty(asoc, sinfo, len, frag,
> -						 0, GFP_KERNEL);
> +		chunk = asoc->stream.si->make_datafrag(asoc, sinfo, len, frag,
> +						       GFP_KERNEL);

I know that none of the sctp code is very optimised, but that indirect
call is going to be horrid.

	David