linux-kernel - Re: [PATCH] net: wireless: rtlwifi: rtl8192de: phy.c: Cleaning up uninitialized variables

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Message-ID: <538B5714.6060107@cogentembedded.com>
Date:	Sun, 01 Jun 2014 20:38:44 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Larry Finger <Larry.Finger@...inger.net>,
	Chaoming Li <chaoming_li@...lsil.com.cn>
CC:	"John W. Linville" <linville@...driver.com>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: wireless: rtlwifi: rtl8192de: phy.c:  Cleaning up
 uninitialized variables

Hello.

On 06/01/2014 04:49 PM, Rickard Strandqvist wrote:

> There is a risk that the variable will be used without being initialized.

> This was largely found by using a static code analysis program called cppcheck.

> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
> ---
>   drivers/net/wireless/rtlwifi/rtl8192de/phy.c |    2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

> diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
> index 3d1f0dd..66abaf6 100644
> --- a/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
> +++ b/drivers/net/wireless/rtlwifi/rtl8192de/phy.c
> @@ -203,11 +203,11 @@ u32 rtl92d_phy_query_bb_reg(struct ieee80211_hw *hw, u32 regaddr, u32 bitmask)
>   	struct rtl_priv *rtlpriv = rtl_priv(hw);
>   	struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
>   	u32 returnvalue, originalvalue, bitshift;
> -	u8 dbi_direct;
>
>   	RT_TRACE(rtlpriv, COMP_RF, DBG_TRACE, "regaddr(%#x), bitmask(%#x)\n",
>   		 regaddr, bitmask);
>   	if (rtlhal->during_mac1init_radioa || rtlhal->during_mac0init_radiob) {
> +		u8 dbi_direct = 0;

    Empty line is needed here, after declarations, like above.

>   		/* mac1 use phy0 read radio_b. */
>   		/* mac0 use phy1 read radio_b. */
>   		if (rtlhal->during_mac1init_radioa)

WBR, Sergei

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