net: sctp: sctp_ulpq: remove 'malloced' struct member

The structure sctp_ulpq is embedded into sctp_association and never
separately allocated, also ulpq->malloced is always 0, so that
kfree() is never called. Therefore, remove this code.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/sctp/ulpqueue.h

@@ -49,7 +49,6 @@
 
 /* A structure to carry information to the ULP (e.g. Sockets API) */
 struct sctp_ulpq {
-	char malloced;
 	char pd_mode;
 	struct sctp_association *asoc;
 	struct sk_buff_head reasm;

net/sctp/ulpqueue.c

@@ -68,7 +68,6 @@ struct sctp_ulpq *sctp_ulpq_init(struct sctp_ulpq *ulpq,
 	skb_queue_head_init(&ulpq->reasm);
 	skb_queue_head_init(&ulpq->lobby);
 	ulpq->pd_mode  = 0;
-	ulpq->malloced = 0;
 
 	return ulpq;
 }
@@ -96,8 +95,6 @@ void sctp_ulpq_flush(struct sctp_ulpq *ulpq)
 void sctp_ulpq_free(struct sctp_ulpq *ulpq)
 {
 	sctp_ulpq_flush(ulpq);
-	if (ulpq->malloced)
-		kfree(ulpq);
 }
 
 /* Process an incoming DATA chunk.  */