diff --git a/headers/private/media/TList.h b/headers/private/media/TList.h
index cc76b55704..c4ee13de03 100644
--- a/headers/private/media/TList.h
+++ b/headers/private/media/TList.h
@@ -36,6 +36,7 @@ public:
 	 		items[i] = new value;
 	 		*items[i] = *other.items[i];
 	 	}
+	 	return *this;
 	}
 		
 	bool Insert(const value &v)
diff --git a/headers/private/media/TMap.h b/headers/private/media/TMap.h
index ce58413132..c938702461 100644
--- a/headers/private/media/TMap.h
+++ b/headers/private/media/TMap.h
@@ -38,6 +38,7 @@ public:
 	 		items[i]->k = other.items[i]->k;
 	 		items[i]->v = other.items[i]->v;
 	 	}
+	 	return *this;
 	}
 		
 	bool Insert(const key &k, const value &v)	
diff --git a/src/kits/media/RealtimeAlloc.cpp b/src/kits/media/RealtimeAlloc.cpp
index 4cba2ea843..fe74c75971 100644
--- a/src/kits/media/RealtimeAlloc.cpp
+++ b/src/kits/media/RealtimeAlloc.cpp
@@ -78,7 +78,7 @@ status_t rtm_size_for(void * data)
 status_t rtm_phys_size_for(void * data)
 {
 	UNIMPLEMENTED();
-	TRACE("  ptr = %p\n",(int)data);
+	TRACE("  ptr = %p\n", data);
 	return 0;
 }
 
@@ -86,7 +86,7 @@ rtm_pool * rtm_default_pool()
 {
 	BROKEN();
 	/* Return the default pool, or NULL if not yet initialized */
-	TRACE("  returning pool = %p\n", 0x22229999);
+	TRACE("  returning pool = %p\n", (void *) 0x22229999);
 	return (rtm_pool *) 0x22229999;
 }
 
diff --git a/src/kits/media/VolumeControl.cpp b/src/kits/media/VolumeControl.cpp
index 4e53706e0e..4095ddd14a 100644
--- a/src/kits/media/VolumeControl.cpp
+++ b/src/kits/media/VolumeControl.cpp
@@ -14,10 +14,12 @@ namespace MediaKitPrivate {
 
 status_t GetMasterVolume(float *left, float *right)
 {
+	return B_OK;
 }
 
 status_t SetMasterVolume(float left, float right)
 {
+	return B_OK;
 }
 
 } //namespace MediaKitPrivate
diff --git a/src/servers/media/NodeManager.cpp b/src/servers/media/NodeManager.cpp
index 7d46ee270d..bd9f0ac1cd 100644
--- a/src/servers/media/NodeManager.cpp
+++ b/src/servers/media/NodeManager.cpp
@@ -585,7 +585,7 @@ NodeManager::Dump()
 	printf("NodeManager: registered nodes map follows:\n");
 	registered_node *rn;
 	for (fRegisteredNodeMap->Rewind(); fRegisteredNodeMap->GetNext(&rn); ) {
-		printf("  node-id %ld, addon-id %ld, addon-flavor-id %ld, port %ld, team %ld, kinds %#08x, name \"%s\"\n",
+		printf("  node-id %ld, addon-id %ld, addon-flavor-id %ld, port %ld, team %ld, kinds %#08Lx, name \"%s\"\n",
 			rn->nodeid, rn->addon_id, rn->addon_flavor_id, rn->port, rn->team, rn->kinds, rn->name);
 		printf("    teams (refcount): ");
 		team_id *team;
@@ -613,7 +613,7 @@ NodeManager::Dump()
 	for (fDormantFlavorList->Rewind(); fDormantFlavorList->GetNext(&dfi); ) {
 		printf("  addon-id %ld, addon-flavor-id %ld, addon-name \"%s\"\n",
 			dfi->node_info.addon, dfi->node_info.flavor_id, dfi->node_info.name);
-		printf("    flavor-kinds %#08x, flavor_flags %#08x, internal_id %ld, possible_count %ld, in_format_count %ld, out_format_count %ld\n",
+		printf("    flavor-kinds %#08Lx, flavor_flags %#08lx, internal_id %ld, possible_count %ld, in_format_count %ld, out_format_count %ld\n",
 			 dfi->kinds, dfi->flavor_flags, dfi->internal_id, dfi->possible_count, dfi->in_format_count, dfi->out_format_count);
 		printf("    flavor-name \"%s\"\n", dfi->name);
 		printf("    flavor-info \"%s\"\n", dfi->info);
diff --git a/src/servers/media/NotificationManager.cpp b/src/servers/media/NotificationManager.cpp
index b54bffc305..fab41cc7be 100644
--- a/src/servers/media/NotificationManager.cpp
+++ b/src/servers/media/NotificationManager.cpp
@@ -259,7 +259,7 @@ NotificationManager::Dump()
 	printf("NotificationManager: list of subscribers follows:\n");
 	Notification *n;	
 	for (fNotificationList->Rewind(); fNotificationList->GetNext(&n); ) {
-		printf(" team %ld, what %#08x, node-id %ld, node-port %ld, messenger %svalid\n",
+		printf(" team %ld, what %#08lx, node-id %ld, node-port %ld, messenger %svalid\n",
 			n->team, n->what, n->node.node, n->node.port, n->messenger.IsValid() ? "" : "NOT ");
 	}
 	printf("NotificationManager: list end\n");