Fix possible addref on null pointer

1998-08-10 01:30:29 +00:00 · 1998-08-10 01:30:29 +00:00 · 7aa37b7bb4
--- a/docshell/base/nsWebShell.cpp
+++ b/docshell/base/nsWebShell.cpp
@ -1271,7 +1271,7 @@ nsWebShell::GetScriptGlobalObject(nsIScriptGlobalObject** aGlobal)
  }

  *aGlobal = mScriptGlobal;
-  NS_ADDREF(mScriptGlobal);
+  NS_IF_ADDREF(mScriptGlobal);

  return res;
 }
--- a/webshell/src/nsWebShell.cpp
+++ b/webshell/src/nsWebShell.cpp
@ -1271,7 +1271,7 @@ nsWebShell::GetScriptGlobalObject(nsIScriptGlobalObject** aGlobal)
  }

  *aGlobal = mScriptGlobal;
-  NS_ADDREF(mScriptGlobal);
+  NS_IF_ADDREF(mScriptGlobal);

  return res;
 }