Gabriel Ivăncescu : mshtml: Use inner window's outer_window in IHTMLDocument2::readyState.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: ffb7ace4dfdd7741270a545082d5b35d33760ceb
URL:    https://gitlab.winehq.org/wine/wine/-/commit/ffb7ace4dfdd7741270a545082d5b35...

Author: Gabriel Ivăncescu <gabrielopcode(a)gmail.com>
Date:   Tue Dec  5 19:42:19 2023 +0200

mshtml: Use inner window's outer_window in IHTMLDocument2::readyState.

Signed-off-by: Gabriel Ivăncescu <gabrielopcode(a)gmail.com>

---

 dlls/mshtml/htmldoc.c           | 2 +-
 dlls/mshtml/tests/navigation.js | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/mshtml/htmldoc.c b/dlls/mshtml/htmldoc.c
index e37f04fee0b..3f844fddf8d 100644
--- a/dlls/mshtml/htmldoc.c
+++ b/dlls/mshtml/htmldoc.c
@@ -905,7 +905,7 @@ static HRESULT WINAPI HTMLDocument_get_readyState(IHTMLDocument2 *iface, BSTR *p
     if(!p)
         return E_POINTER;
 
-    return get_readystate_string(This->outer_window ? This->outer_window->readystate : 0, p);
+    return get_readystate_string(This->window && This->window->base.outer_window ? This->window->base.outer_window->readystate : 0, p);
 }
 
 static HRESULT WINAPI HTMLDocument_get_frames(IHTMLDocument2 *iface, IHTMLFramesCollection2 **p)
diff --git a/dlls/mshtml/tests/navigation.js b/dlls/mshtml/tests/navigation.js
index 402d933a54a..84a0bbdcb5d 100644
--- a/dlls/mshtml/tests/navigation.js
+++ b/dlls/mshtml/tests/navigation.js
@@ -119,6 +119,7 @@ function detached_iframe_doc() {
             expect_exception(function() { origDoc.onclick; }, true);
             expect_exception(function() { origDoc.toString; }, true);
             expect_exception(function() { origDoc.toString(); }, true);
+            expect_exception(function() { origDoc.readyState; }, true);
             expect_exception(function() { origDoc.URL; });
             expect_exception(function() { origDoc.URL = "blank.html"; });