Alex Henrie : mshtml: Avoid null pointer dereference in OmHistory_get_length (cppcheck).

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 06e0220ed6f4b842cf5903fc17d12bdad8e8f379
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=06e0220ed6f4b842cf5903fc17d12bdad8e8f379

Author: Alex Henrie <alexhenrie24 at gmail.com>
Date:   Sun Dec 19 21:54:37 2021 -0700

mshtml: Avoid null pointer dereference in OmHistory_get_length (cppcheck).

Signed-off-by: Alex Henrie <alexhenrie24 at gmail.com>
Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/mshtml/omnavigator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/mshtml/omnavigator.c b/dlls/mshtml/omnavigator.c
index 70e8e568661..7788b453b8d 100644
--- a/dlls/mshtml/omnavigator.c
+++ b/dlls/mshtml/omnavigator.c
@@ -674,7 +674,7 @@ static HRESULT WINAPI OmHistory_get_length(IOmHistory *iface, short *p)
     if(This->window && This->window->base.outer_window)
         browser = This->window->base.outer_window->browser;
 
-    *p = browser->doc->travel_log
+    *p = browser && browser->doc->travel_log
         ? ITravelLog_CountEntries(browser->doc->travel_log, browser->doc->browser_service)
         : 0;
     return S_OK;