linux-kernel - Re: [PATCH v2 wireless-drivers-next] rtlwifi: rtl8723ae: Fix missing break in switch statement

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Date:   Wed, 24 Apr 2019 17:17:12 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Ping-Ke Shih <pkshih@...ltek.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Larry Finger <Larry.Finger@...inger.net>
Cc:     linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, Kees Cook <keescook@...omium.org>
Subject: Re: [PATCH v2 wireless-drivers-next] rtlwifi: rtl8723ae: Fix missing
 break in switch statement

Hi all,

Friendly ping:

Who can take this?

Thanks
--
Gustavo


On 4/16/19 10:17 AM, Gustavo A. R. Silva wrote:
> Add missing break statement in order to prevent the code from falling
> through to case 0x1025, and erroneously setting rtlhal->oem_id to
> RT_CID_819X_ACER when rtlefuse->eeprom_svid is equal to 0x10EC and
> none of the cases in switch (rtlefuse->eeprom_smid) match.
> 
> This bug was found thanks to the ongoing efforts to enable
> -Wimplicit-fallthrough.
> 
> Fixes: 238ad2ddf34b ("rtlwifi: rtl8723ae: Clean up the hardware info routine")
> Cc: stable@...r.kernel.org
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> ---
> Changes in v2:
>  - Update tag from wireless-drivers to wireless-drivers-next
> 
>  drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hw.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hw.c
> index 6bab162e1bb8..655460f61bbc 100644
> --- a/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hw.c
> +++ b/drivers/net/wireless/realtek/rtlwifi/rtl8723ae/hw.c
> @@ -1675,6 +1675,7 @@ static void _rtl8723e_read_adapter_info(struct ieee80211_hw *hw,
>  					rtlhal->oem_id = RT_CID_819X_LENOVO;
>  					break;
>  				}
> +				break;
>  			case 0x1025:
>  				rtlhal->oem_id = RT_CID_819X_ACER;
>  				break;
>