From: Xin Long <lucien.xin@xxxxxxxxx>
Date: Sun, 18 Nov 2018 15:21:53 +0800
> As rfc7496#section4.5 says about SCTP_PR_SUPPORTED:
>
> This socket option allows the enabling or disabling of the
> negotiation of PR-SCTP support for future associations. For existing
> associations, it allows one to query whether or not PR-SCTP support
> was negotiated on a particular association.
>
> It means only sctp sock's prsctp_enable can be set.
>
> Note that for the limitation of SCTP_{CURRENT|ALL}_ASSOC, we will
> add it when introducing SCTP_{FUTURE|CURRENT|ALL}_ASSOC for linux
> sctp in another patchset.
>
> v1->v2:
> - drop the params.assoc_id check as Neil suggested.
>
> Fixes: 28aa4c26fce2 ("sctp: add SCTP_PR_SUPPORTED on sctp sockopt")
> Reported-by: Ying Xu <yinxu@xxxxxxxxxx>
> Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx>
Applied and queued up for -stable.
