From: Xin Long <lucien....@gmail.com>
Date: Fri, 15 Sep 2017 11:02:48 +0800
> sctp_diag would not actually dump out sk/asoc if inet_sctp_diag_fill
> returns err, in which case it shouldn't mark sk dumped by setting
> cb->args[3] as 1 in sctp_sock_dump().
>
> Otherwise, it could cause some asocs to have no parent's sk dumped
> in 'ss --sctp'.
>
> So this patch is to not set cb->args[3] when inet_sctp_diag_fill()
> returns err in sctp_sock_dump().
>
> Fixes: 8f840e47f190 ("sctp: add the sctp_diag.c file")
> Signed-off-by: Xin Long <lucien....@gmail.com>
Applied.
