[NET]: Fix comparisons of unsigned < 0.

Recent gcc versions emit warnings when unsigned variables are
compared < 0 or >= 0.

Signed-off-by: Bill Nottingham <notting@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c
index 523071c..70a91ec 100644
--- a/net/sctp/sm_statetable.c
+++ b/net/sctp/sm_statetable.c
@@ -960,7 +960,7 @@
 	if (state > SCTP_STATE_MAX)
 		return &bug;
 
-	if (cid >= 0 && cid <= SCTP_CID_BASE_MAX)
+	if (cid <= SCTP_CID_BASE_MAX)
 		return &chunk_event_table[cid][state];
 
 	if (sctp_prsctp_enable) {