rtlwifi: Add return value to btc_set.

We will use return value to handle error case.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Yan-Hsuan Chuang <yhchuang@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/realtek/rtlwifi/btcoexist/halbtcoutsrc.c

@@ -534,6 +534,7 @@ static bool halbtc_set(void *void_btcoexist, u8 set_type, void *in_buf)
 	bool *bool_tmp = (bool *)in_buf;
 	u8 *u8_tmp = (u8 *)in_buf;
 	u32 *u32_tmp = (u32 *)in_buf;
+	bool ret = true;
 
 	if (!halbtc_is_bt_coexist_available(btcoexist))
 		return false;
@@ -577,6 +578,7 @@ static bool halbtc_set(void *void_btcoexist, u8 set_type, void *in_buf)
 
 	/* the following are some action which will be triggered */
 	case BTC_SET_ACT_GET_BT_RSSI:
+		ret = false;
 		break;
 	case BTC_SET_ACT_AGGREGATE_CTRL:
 		halbtc_aggregation_check(btcoexist);
@@ -622,7 +624,7 @@ static bool halbtc_set(void *void_btcoexist, u8 set_type, void *in_buf)
 		break;
 	}
 
-	return true;
+	return ret;
 }
 
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