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

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

mshtml: Avoid null pointer dereference in OmHistory_get_length (cppcheck).
06e0220e · Alex Henrie · Alexandre Julliard · 3f245899 · 06e0220e
Commit 06e0220e authored Dec 19, 2021 by Alex Henrie Committed by Alexandre Julliard Dec 21, 2021
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omnavigator.c dlls/mshtml/omnavigator.c +1 -1

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--- 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;