RE: [PATCH][next] rtw89: Remove redundant check of ret after call to rtw89_mac_enable_bb_rf

From: Pkshih
Date: Sun Oct 17 2021 - 21:31:15 EST



> -----Original Message-----
> From: Colin King <colin.king@xxxxxxxxxxxxx>
> Sent: Friday, October 15, 2021 11:21 PM
> To: Kalle Valo <kvalo@xxxxxxxxxxxxxx>; David S . Miller <davem@xxxxxxxxxxxxx>; Jakub Kicinski
> <kuba@xxxxxxxxxx>; Pkshih <pkshih@xxxxxxxxxxx>; linux-wireless@xxxxxxxxxxxxxxx;
> netdev@xxxxxxxxxxxxxxx
> Cc: kernel-janitors@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: [PATCH][next] rtw89: Remove redundant check of ret after call to rtw89_mac_enable_bb_rf
>
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The function rtw89_mac_enable_bb_rf is a void return type, so there is
> no return error code to ret, so the following check for an error in ret
> is redundant dead code and can be removed.
>
> Addresses-Coverity: ("Logically dead code")
> Fixes: e3ec7017f6a2 ("rtw89: add Realtek 802.11ax driver")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Acked-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>

> ---
> drivers/net/wireless/realtek/rtw89/mac.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/net/wireless/realtek/rtw89/mac.c
> b/drivers/net/wireless/realtek/rtw89/mac.c
> index 0171a5a7b1de..69384c43c046 100644
> --- a/drivers/net/wireless/realtek/rtw89/mac.c
> +++ b/drivers/net/wireless/realtek/rtw89/mac.c
> @@ -2656,8 +2656,6 @@ int rtw89_mac_init(struct rtw89_dev *rtwdev)
> goto fail;
>
> rtw89_mac_enable_bb_rf(rtwdev);
> - if (ret)
> - goto fail;
>
> ret = rtw89_mac_sys_init(rtwdev);
> if (ret)
> --
> 2.32.0
>
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