staging: r8712u: Merging Realtek's latest (v2.6.6). Redundant NULL check.

Removed the redundant NULL check in LedControl871x.
As noted by Dan Carpenter, the address of a stack variable is never NULL.
Signed-off-by: NAli Bahar <ali@internetDog.org>
Signed-off-by: NLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rtl8712/rtl8712_led.c

@@ -1786,7 +1786,7 @@ void LedControl871x(struct _adapter *padapter, enum LED_CTL_MODE LedAction)
 {
 	struct led_priv	*ledpriv = &(padapter->ledpriv);
 
-	if (ledpriv == NULL || ledpriv->bRegUseLed == false)
+	if (ledpriv->bRegUseLed == false)
 		return;
 	switch (ledpriv->LedStrategy) {
 	case SW_LED_MODE0: