Gabriel Ivăncescu : mshtml: Don't navigate if GetDisplayUri failed.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d2daec4027a1f9263f84e0e37a3a6cf624f04f57
URL:    https://gitlab.winehq.org/wine/wine/-/commit/d2daec4027a1f9263f84e0e37a3a6cf...

Author: Gabriel Ivăncescu <gabrielopcode(a)gmail.com>
Date:   Tue Aug 23 17:31:21 2022 +0300

mshtml: Don't navigate if GetDisplayUri failed.

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

---

 dlls/mshtml/navigate.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dlls/mshtml/navigate.c b/dlls/mshtml/navigate.c
index ef764bde58c..4cafa083b08 100644
--- a/dlls/mshtml/navigate.c
+++ b/dlls/mshtml/navigate.c
@@ -1677,9 +1677,11 @@ static void handle_extern_mime_navigation(nsChannelBSC *This)
         hres = IUnknown_QueryInterface(doc_obj->webbrowser, &IID_IWebBrowserPriv, (void**)&webbrowser_priv_old);
         if(SUCCEEDED(hres)) {
             V_VT(&uriv) = VT_BSTR;
-            IUri_GetDisplayUri(uri, &V_BSTR(&uriv));
+            V_BSTR(&uriv) = NULL;
+            hres = IUri_GetDisplayUri(uri, &V_BSTR(&uriv));
 
-            hres = IWebBrowserPriv_NavigateWithBindCtx(webbrowser_priv_old, &uriv, &flags, NULL, NULL, NULL, bind_ctx, NULL);
+            if(hres == S_OK)
+                hres = IWebBrowserPriv_NavigateWithBindCtx(webbrowser_priv_old, &uriv, &flags, NULL, NULL, NULL, bind_ctx, NULL);
 
             SysFreeString(V_BSTR(&uriv));
             IWebBrowserPriv_Release(webbrowser_priv_old);