net: sctp: outqueue: simplify sctp_outq_uncork function

Just a minor edit to simplify the function. No need for this
error variable here.
Signed-off-by: NDaniel Borkmann <dborkman@redhat.com>
Acked-by: NNeil Horman <nhorman@tuxdriver.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/sctp/outqueue.c

@@ -701,11 +701,10 @@ static int sctp_outq_flush_rtx(struct sctp_outq *q, struct sctp_packet *pkt,
 /* Cork the outqueue so queued chunks are really queued. */
 int sctp_outq_uncork(struct sctp_outq *q)
 {
-	int error = 0;
 	if (q->cork)
 		q->cork = 0;
-	error = sctp_outq_flush(q, 0);
-	return error;
+
+	return sctp_outq_flush(q, 0);
 }