net: sctp: minor: remove dead code from sctp_packet

struct sctp_packet is currently embedded into sctp_transport or
sits on the stack as 'singleton' in sctp_outq_flush(). Therefore,
its member 'malloced' is always 0, thus a kfree() is never called.
Because of that, we can just remove this code.
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/sctp/structs.h

@@ -714,8 +714,7 @@ struct sctp_packet {
 	    has_sack:1,		/* This packet contains a SACK chunk. */
 	    has_auth:1,		/* This packet contains an AUTH chunk */
 	    has_data:1,		/* This packet contains at least 1 DATA chunk */
-	    ipfragok:1,		/* So let ip fragment this packet */
-	    malloced:1;		/* Is it malloced? */
+	    ipfragok:1;		/* So let ip fragment this packet */
 };
 
 struct sctp_packet *sctp_packet_init(struct sctp_packet *,

net/sctp/output.c

@@ -136,7 +136,7 @@ struct sctp_packet *sctp_packet_init(struct sctp_packet *packet,
 	packet->overhead = overhead;
 	sctp_packet_reset(packet);
 	packet->vtag = 0;
-	packet->malloced = 0;
+
 	return packet;
 }
 
@@ -151,9 +151,6 @@ void sctp_packet_free(struct sctp_packet *packet)
 		list_del_init(&chunk->list);
 		sctp_chunk_free(chunk);
 	}
-
-	if (packet->malloced)
-		kfree(packet);
 }
 
 /* This routine tries to append the chunk to the offered packet. If adding