rtw89: remove unneeded variable

Fix the following coccicheck review:
./drivers/net/wireless/realtek/rtw89/mac.c: 1096: 5-8: Unneeded variable

Remove unneeded variable used to store return value.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211110121135.151187-1-deng.changcheng@zte.com.cn

diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index 944c232..f8389e8 100644 (file)
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -1093,7 +1093,6 @@ static int cmac_func_en(struct rtw89_dev *rtwdev, u8 mac_idx, bool en)
 static int dmac_func_en(struct rtw89_dev *rtwdev)
 {
        u32 val32;
-       u32 ret = 0;
 
        val32 = (B_AX_MAC_FUNC_EN | B_AX_DMAC_FUNC_EN | B_AX_MAC_SEC_EN |
                 B_AX_DISPATCHER_EN | B_AX_DLE_CPUIO_EN | B_AX_PKT_IN_EN |
@@ -1107,7 +1106,7 @@ static int dmac_func_en(struct rtw89_dev *rtwdev)
                 B_AX_WD_RLS_CLK_EN);
        rtw89_write32(rtwdev, R_AX_DMAC_CLK_EN, val32);
 
-       return ret;
+       return 0;
 }
 
 static int chip_func_en(struct rtw89_dev *rtwdev)