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Re: [PATCH] rtlwifi: remove redundant initialization of variable ul_encalgo

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On Sun, 2022-01-30 at 22:37 +0000, Colin Ian King wrote:
> Variable ul_encalgo is initialized with a value that is never read,
> it is being re-assigned a new value in every case in the following
> switch statement. The initialization is redundant and can be removed.
> 
> Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>

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

> ---
>  drivers/net/wireless/realtek/rtlwifi/cam.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/wireless/realtek/rtlwifi/cam.c
> b/drivers/net/wireless/realtek/rtlwifi/cam.c
> index 7a0355dc6bab..32970ea4b4e7 100644
> --- a/drivers/net/wireless/realtek/rtlwifi/cam.c
> +++ b/drivers/net/wireless/realtek/rtlwifi/cam.c
> @@ -208,7 +208,7 @@ void rtl_cam_empty_entry(struct ieee80211_hw *hw, u8 uc_index)
>  
>  	u32 ul_command;
>  	u32 ul_content;
> -	u32 ul_encalgo = rtlpriv->cfg->maps[SEC_CAM_AES];
> +	u32 ul_encalgo;
>  	u8 entry_i;
>  
>  	switch (rtlpriv->sec.pairwise_enc_algorithm) {
> -- 

When I check this patch, I find there is no 'break' for default case.
Do we need one? like

@@ -226,6 +226,7 @@ void rtl_cam_empty_entry(struct ieee80211_hw *hw, u8 uc_index)
                break;
        default:
                ul_encalgo = rtlpriv->cfg->maps[SEC_CAM_AES];
+               break;
        }
 
        for (entry_i = 0; entry_i < CAM_CONTENT_COUNT; entry_i++) {

--
Ping-Ke






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