Removed usage message from dbStateCreate because it is not only a shell function but an API as well. But kept check for NULL. Added check for NULL in dbStateFind as well.

modules/database/src/ioc/db/dbState.c

@@ -37,6 +37,9 @@ dbStateId dbStateFind(const char *name)
     ELLNODE *node;
     dbStateId id;
 
+    if (!name)
+        return NULL;
+
     for (node = ellFirst(&states); node; node = ellNext(node)) {
         id = CONTAINER(node, dbState, node);
         if (strcmp(id->name, name) == 0)
@@ -50,10 +53,8 @@ dbStateId dbStateCreate(const char *name)
     dbStateId id;
 
     if (!name)
-    {
-        printf("Usage: dbStateCreate (\"name\")\n");
         return NULL;
-    }
+
     if ((id = dbStateFind(name)))
         return id;