No code ever initialized this variable, so it was 0 because of kzalloc().
But no other code changes it, making it rather useless.
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 
                psm->locallisteninterval =
                    cpu_to_le16(adapter->locallisteninterval);
-               psm->nullpktinterval =
-                   cpu_to_le16(adapter->nullpktinterval);
+               psm->nullpktinterval = 0;
                psm->multipledtim =
                    cpu_to_le16(priv->adapter->multipledtim);
                break;
 
 
        struct PS_CMD_ConfirmSleep libertas_ps_confirm_sleep;
        u16 locallisteninterval;
-       u16 nullpktinterval;
 
        struct assoc_request * pending_assoc_req;
        struct assoc_request * in_progress_assoc_req;