fix segfault when op is unset (#15)

zhreshold · tqchen · commit 7cbfb605c688 · 2018-05-29T08:47:00.000-07:00
diff --git a/nnvm/src/core/symbolic.cc b/nnvm/src/core/symbolic.cc
@@ -491,7 +491,7 @@ bool Symbol::GetAttr(const std::string& key, std::string* out) const {
     if (node->attrs.op != nullptr) {
       *out = node->attrs.op->name;
     } else {
-      *out = "null";  // use null in consistant with json
+      *out = "null";  // use null with json
     }
     return true;
   }

Original file line number	Diff line number	Diff line change
`@@ -491,7 +491,7 @@ bool Symbol::GetAttr(const std::string& key, std::string* out) const {`
`491`	`491`	`if (node->attrs.op != nullptr) {`
`492`	`492`	`*out = node->attrs.op->name;`
`493`	`493`	`} else {`
`494`		`- *out = "null"; // use null in consistant with json`
	`494`	`+ *out = "null"; // use null with json`
`495`	`495`	`}`
`496`	`496`	`return true;`
`497`	`497`	`}`