Indrek Altpere : mshtml: Add NULL check to avoid crashing due to Gecko bug.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 55c03ad4d219ae8ba78ec30e6ff1ad82070bd2ab
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=55c03ad4d219ae8ba78ec30e6f...

Author: Indrek Altpere <efbiaiinzinz(a)hotmail.com>
Date:   Mon Jun  1 14:11:21 2015 +0300

mshtml: Add NULL check to avoid crashing due to Gecko bug.

---

 dlls/mshtml/htmlcurstyle.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/mshtml/htmlcurstyle.c b/dlls/mshtml/htmlcurstyle.c
index 5f6cb35..f0b0d98 100644
--- a/dlls/mshtml/htmlcurstyle.c
+++ b/dlls/mshtml/htmlcurstyle.c
@@ -1343,6 +1343,11 @@ HRESULT HTMLCurrentStyle_Create(HTMLElement *elem, IHTMLCurrentStyle **p)
         return E_FAIL;
     }
 
+    if(!nsstyle) {
+        ERR("GetComputedStyle returned NULL nsstyle\n");
+        return E_FAIL;
+    }
+
     ret = heap_alloc_zero(sizeof(HTMLCurrentStyle));
     if(!ret) {
         nsIDOMCSSStyleDeclaration_Release(nsstyle);