From: Xin Long <lucien.xin@xxxxxxxxx>
Date: Mon, 12 Feb 2018 18:29:06 +0800
> The pr_err in sctp_hash_transport was supposed to report a sctp bug
> for using rhashtable/rhlist.
>
> The err '-EEXIST' introduced in Commit cd2b70875058 ("sctp: check
> duplicate node before inserting a new transport") doesn't belong
> to that case.
>
> So just return -EEXIST back without pr_err any kmsg.
>
> Fixes: cd2b70875058 ("sctp: check duplicate node before inserting a new transport")
> Reported-by: Wei Chen <weichen@xxxxxxxxxx>
> Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx>
Applied and queued up for -stable.
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