src: fix potential memory leak on early return

nodejs · Apr 21, 2013 · c4379a5 · c4379a5
1 parent 2322580
commit c4379a5
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/node_crypto.cc b/src/node_crypto.cc
@@ -3009,16 +3009,16 @@ class Sign : public ObjectWrap {
     unsigned int md_len;
     Local<Value> outString;
 
-    md_len = 8192; // Maximum key size is 8192 bits
-    md_value = new unsigned char[md_len];
-
     ASSERT_IS_BUFFER(args[0]);
     ssize_t len = Buffer::Length(args[0]);
 
     char* buf = new char[len];
     ssize_t written = DecodeWrite(buf, len, args[0], BUFFER);
     assert(written == len);
 
+    md_len = 8192; // Maximum key size is 8192 bits
+    md_value = new unsigned char[md_len];
+
     int r = sign->SignFinal(&md_value, &md_len, buf, len);
     if (r == 0) {
       md_value = NULL;