wsdapi: Fix use-after-free when checking for unique prefix (Valgrind).

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

wsdapi: Fix use-after-free when checking for unique prefix (Valgrind).
3cb938fd · Nikolay Sivov · Alexandre Julliard · cd4139df · 3cb938fd
Commit 3cb938fd authored Aug 26, 2017 by Nikolay Sivov Committed by Alexandre Julliard Aug 27, 2017
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xml.c dlls/wsdapi/xml.c +1 -0

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--- a/dlls/wsdapi/xml.c
+++ b/dlls/wsdapi/xml.c
@@ -529,6 +529,7 @@ static HRESULT WINAPI IWSDXMLContextImpl_AddNamespace(IWSDXMLContext *iface, LPC
    if (setNewPrefix)
    {
        WSDFreeLinkedMemory((void *)ns->PreferredPrefix);
+        ns->PreferredPrefix = NULL;

        if ((newPrefix != NULL) && (is_prefix_unique(This->namespaces, newPrefix)))
        {