rtw88: remove unnecessary variable

The variable ret is defined at the beginning and initialized
to 0 until the function returns ret, and the variable ret is
not reassigned.Therefore, we do not need to define the variable
ret, just return 0 directly at the end of the function.

Signed-off-by: wengjianfeng <wengjianfeng@yulong.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210223075438.13676-1-samirweng1979@163.com

drivers/net/wireless/realtek/rtw88/main.c

@@ -1394,7 +1394,6 @@ static int rtw_chip_parameter_setup(struct rtw_dev *rtwdev)
 	struct rtw_chip_info *chip = rtwdev->chip;
 	struct rtw_hal *hal = &rtwdev->hal;
 	struct rtw_efuse *efuse = &rtwdev->efuse;
-	int ret = 0;
 
 	switch (rtw_hci_type(rtwdev)) {
 	case RTW_HCI_TYPE_PCIE:
@@ -1432,7 +1431,7 @@ static int rtw_chip_parameter_setup(struct rtw_dev *rtwdev)
 
 	hal->bfee_sts_cap = 3;
 
-	return ret;
+	return 0;
 }
 
 static int rtw_chip_efuse_enable(struct rtw_dev *rtwdev)