From: Marcelo Ricardo Leitner <marcelo.leitner@xxxxxxxxx>
Date: Tue, 24 Apr 2018 18:17:35 -0300
> It's currently written as:
>
> if (!tchunk->tsn_gap_acked) { [1]
> tchunk->tsn_gap_acked = 1;
> ...
> }
>
> if (TSN_lte(tsn, sack_ctsn)) {
> if (!tchunk->tsn_gap_acked) {
> /* SFR-CACC processing */
> ...
> }
> }
>
> Which causes the SFR-CACC processing on ack reception to never process,
> as tchunk->tsn_gap_acked is always true by then. Block [1] was
> moved to that position by the commit marked below.
>
> This patch fixes it by doing SFR-CACC processing earlier, before
> tsn_gap_acked is set to true.
>
> Fixes: 31b02e154940 ("sctp: Failover transmitted list on transport delete")
> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@xxxxxxxxx>
> ---
>
> Even though this is a -stable candidate, please apply it to net-next
> to avoid conflicts with subsequent patches in my queue. Thanks.
Applied.
However, if you do want this to make it's way to -stable you'll have to get
it integrated into 'net' first.
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