netdev - Re: [PATCH net-next] mac80211: silent build warnings

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Date:	Thu, 08 Jan 2015 15:59:43 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Ying Xue <ying.xue@...driver.com>, johannes@...solutions.net
CC:	netdev@...r.kernel.org, linux-wireless@...r.kernel.org
Subject: Re: [PATCH net-next] mac80211: silent build warnings

Hello.

On 1/8/2015 10:04 AM, Ying Xue wrote:

> Silent the following build warnings:

> net/mac80211/mlme.c: In function ‘ieee80211_rx_mgmt_beacon’:
> net/mac80211/mlme.c:1348:3: warning: ‘pwr_level_cisco’ may be used uninitialized in this function [-Wuninitialized]
> net/mac80211/mlme.c:1315:6: note: ‘pwr_level_cisco’ was declared here

> Signed-off-by: Ying Xue <ying.xue@...driver.com>
> ---
>   net/mac80211/mlme.c |    2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

> diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
> index 2c36c47..13b5506 100644
> --- a/net/mac80211/mlme.c
> +++ b/net/mac80211/mlme.c
> @@ -1312,7 +1312,7 @@ static u32 ieee80211_handle_pwr_constr(struct ieee80211_sub_if_data *sdata,
>   {
>   	bool has_80211h_pwr = false, has_cisco_pwr = false;
>   	int chan_pwr = 0, pwr_reduction_80211h = 0;
> -	int pwr_level_cisco, pwr_level_80211h;
> +	int pwr_level_cisco = 0, pwr_level_80211h = 0;

    OK, but why are you also initializing the second variable?

WBR, Sergei

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