kerberos: Fix parameter check in kerberos_SpUnsealMessage.

Signed-off-by: Hans Leidekker <hans@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

kerberos: Fix parameter check in kerberos_SpUnsealMessage.
e1bef53e · Hans Leidekker · Alexandre Julliard · 1195f586 · e1bef53e
Commit e1bef53e authored Feb 02, 2018 by Hans Leidekker Committed by Alexandre Julliard Feb 02, 2018
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krb5_ap.c dlls/kerberos/krb5_ap.c +1 -1

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--- a/dlls/kerberos/krb5_ap.c
+++ b/dlls/kerberos/krb5_ap.c
@@ -1339,7 +1339,7 @@ static NTSTATUS NTAPI kerberos_SpUnsealMessage( LSA_SEC_HANDLE context, SecBuffe
    TRACE( "(%lx %p %u %p)\n", context, message, message_seq_no, quality_of_protection );
    if (message_seq_no) FIXME( "ignoring message_seq_no %u\n", message_seq_no );

-    if (context) return SEC_E_INVALID_HANDLE;
+    if (!context) return SEC_E_INVALID_HANDLE;
    ctxt_handle = ctxthandle_sspi_to_gss( context );

    if ((data_idx = get_buffer_index( message, SECBUFFER_DATA )) == -1) return SEC_E_INVALID_TOKEN;