From: Xin Long <[email protected]>
Date: Thu, 15 Dec 2016 23:05:52 +0800
> Prior to this patch, sctp_transport_lookup_process didn't rcu_read_unlock
> when it failed to find a transport by sctp_addrs_lookup_transport.
>
> This patch is to fix it by moving up rcu_read_unlock right before checking
> transport and also to remove the out path.
>
> Fixes: 1cceda784980 ("sctp: fix the issue sctp_diag uses lock_sock in
> rcu_read_lock")
> Signed-off-by: Xin Long <[email protected]>
Applied and queued up for -stable, thanks.