iphlpapi: Correctly compute the buffer offset for the DNS address structure in…

iphlpapi: Correctly compute the buffer offset for the DNS address structure in GetAdaptersAddresses. Spotted with Valgrind.

iphlpapi: Correctly compute the buffer offset for the DNS address structure in…
587a9aa9 · Andrew Nguyen · Alexandre Julliard · 037d58c4 · 587a9aa9
Commit 587a9aa9 authored Jan 15, 2011 by Andrew Nguyen Committed by Alexandre Julliard Jan 17, 2011
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iphlpapi_main.c dlls/iphlpapi/iphlpapi_main.c +1 -1

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--- a/dlls/iphlpapi/iphlpapi_main.c
+++ b/dlls/iphlpapi/iphlpapi_main.c
@@ -1100,7 +1100,7 @@ ULONG WINAPI GetAdaptersAddresses(ULONG family, ULONG flags, PVOID reserved,
        }
        if (!(flags & GAA_FLAG_SKIP_DNS_SERVER))
        {
-            firstDns = (PIP_ADAPTER_DNS_SERVER_ADDRESS)((BYTE *)aa + total_size - dns_server_size - dns_suffix_size);
+            firstDns = (PIP_ADAPTER_DNS_SERVER_ADDRESS)((BYTE *)first_aa + total_size - dns_server_size - dns_suffix_size);
            get_dns_server_addresses(firstDns, &dns_server_size);
            for (aa = first_aa; aa; aa = aa->Next)
            {