rtlwifi/rtl8192de: Fix media status register mask

bt_msr & 0xfc will never match 0x3. Fix this by using a mask that actually matches the available types.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Reviewed-by: Peter Wu <peter@lekensteyn.nl>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/rtlwifi/rtl8192de/hw.c

@@ -1128,7 +1128,7 @@ static int _rtl92de_set_media_status(struct ieee80211_hw *hw,
 	}
 	rtl_write_byte(rtlpriv, REG_CR + 2, bt_msr);
 	rtlpriv->cfg->ops->led_control(hw, ledaction);
-	if ((bt_msr & 0xfc) == MSR_AP)
+	if ((bt_msr & MSR_MASK) == MSR_AP)
 		rtl_write_byte(rtlpriv, REG_BCNTCFG + 1, 0x00);
 	else
 		rtl_write_byte(rtlpriv, REG_BCNTCFG + 1, 0x66);

drivers/net/wireless/rtlwifi/rtl8192de/reg.h

@@ -369,6 +369,7 @@
 #define	MSR_ADHOC			0x01
 #define	MSR_INFRA			0x02
 #define	MSR_AP				0x03
+#define	MSR_MASK			0x03
 
 /* 6. Adaptive Control Registers  (Offset: 0x0160 - 0x01CF) */
 /* ----------------------------------------------------- */