--- embedaddon/mpd/src/ccp_pred1.c	2013/07/22 08:44:29	1.1.1.1
+++ embedaddon/mpd/src/ccp_pred1.c	2021/03/17 00:39:23	1.1.1.2
@@ -152,7 +152,11 @@ Pred1Init(Bund b, int dir)
 
     strlcat(path, ppphook, sizeof(path));
 
-    id = NgGetNodeID(-1, path);
+    if ((id = NgGetNodeID(-1, path)) == 0) {
+	Perror("[%s] Cannot get %s node id", b->name, NG_PRED1_NODE_TYPE);
+	goto fail;
+    }
+
     if (dir == COMP_DIR_XMIT) {
 	b->ccp.comp_node_id = id;
     } else {
@@ -165,11 +169,14 @@ Pred1Init(Bund b, int dir)
     	    NGM_PRED1_COOKIE, NGM_PRED1_CONFIG, &conf, sizeof(conf)) < 0) {
 	Perror("[%s] can't config %s node at %s",
     	    b->name, NG_PRED1_NODE_TYPE, path);
-	NgFuncShutdownNode(gCcpCsock, b->name, path);
-	return(-1);
+    	goto fail;
     }
 #endif
     return 0;
+
+fail:
+    NgFuncShutdownNode(gCcpCsock, b->name, path);
+    return(-1);
 }
 
 /*
@@ -378,12 +385,25 @@ Pred1Decompress(Bund b, Mbuf mbcomp)
 static Mbuf
 Pred1RecvResetReq(Bund b, int id, Mbuf bp, int *noAck)
 {
+  (void)id;
+  (void)bp;
+  (void)noAck;
 #ifndef USE_NG_PRED1
   Pred1Info     p = &b->ccp.pred1;
+
+  (void)id;
+  (void)bp;
+  (void)noAck;
+
   Pred1Init(b, COMP_DIR_XMIT);
   p->xmit_stats.Errors++;
 #else
     char		path[NG_PATHSIZ];
+
+    (void)id;
+    (void)bp;
+    (void)noAck;
+
     /* Forward ResetReq to the Predictor1 compression node */
     snprintf(path, sizeof(path), "[%x]:", b->ccp.comp_node_id);
     if (NgSendMsg(gCcpCsock, path,
@@ -391,7 +411,7 @@ Pred1RecvResetReq(Bund b, int id, Mbuf bp, int *noAck)
 	Perror("[%s] reset to %s node", b->name, NG_PRED1_NODE_TYPE);
     }
 #endif
-return(NULL);
+    return(NULL);
 }
 
 /*
@@ -403,6 +423,8 @@ Pred1SendResetReq(Bund b)
 {
 #ifndef USE_NG_PRED1
     Pred1Init(b, COMP_DIR_RECV);
+#else
+    (void)b;
 #endif
     return(NULL);
 }
@@ -415,9 +437,15 @@ static void
 Pred1RecvResetAck(Bund b, int id, Mbuf bp)
 {
 #ifndef USE_NG_PRED1
+    (void)id;
+    (void)bp;
     Pred1Init(b, COMP_DIR_RECV);
 #else
     char		path[NG_PATHSIZ];
+
+    (void)id;
+    (void)bp;
+
     /* Forward ResetReq to the Predictor1 decompression node */
     snprintf(path, sizeof(path), "[%x]:", b->ccp.decomp_node_id);
     if (NgSendMsg(gCcpCsock, path,
@@ -434,6 +462,7 @@ Pred1RecvResetAck(Bund b, int id, Mbuf bp)
 static u_char *
 Pred1BuildConfigReq(Bund b, u_char *cp, int *ok)
 {
+  (void)b;
   cp = FsmConfValue(cp, CCP_TY_PRED1, 0, NULL);
   *ok = 1;
   return (cp);
@@ -464,6 +493,9 @@ Pred1DecodeConfigReq(Fsm fp, FsmOption opt, int mode)
 static int
 Pred1Negotiated(Bund b, int dir)
 {
+  (void)b;
+  (void)dir;
+
   return 1;
 }
 
@@ -474,6 +506,7 @@ Pred1Negotiated(Bund b, int dir)
 static int
 Pred1SubtractBloat(Bund b, int size)
 {
+  (void)b;
   return(size - 4);
 }