[PATCH] rtw89: remove unneeded variable

[cgel . zte]

From: Changcheng Deng <deng.changcheng@xxxxxxxxxx>

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@xxxxxxxxxx>
Signed-off-by: Changcheng Deng <deng.changcheng@xxxxxxxxxx>
---
 drivers/net/wireless/realtek/rtw89/mac.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index 0171a5a7b1de..b93ac242b305 100644
--- 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)
-- 
2.25.1