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From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: linville@tuxdriver.com, linux-wireless@vger.kernel.org,
	netdev@vger.kernel.org
Subject: Re: [PATCH 3/8 V2] rtlwifi: rtl8192cu: Fix smatch warning in rtl8192cu/trx.c
Date: Mon, 16 Sep 2013 23:05:39 +0400	[thread overview]
Message-ID: <52375683.8060103@cogentembedded.com> (raw)
In-Reply-To: <1379357722-17687-4-git-send-email-Larry.Finger@lwfinger.net>

On 09/16/2013 10:55 PM, Larry Finger wrote:

> Smatch lists the following:
>    CHECK   drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
> drivers/net/wireless/rtlwifi/rtl8192cu/trx.c:367 _rtl_rx_process() warn: assigning (-98) to unsigned variable 'stats.noise'

> This variable is unused, thus it is removed.

    It's a structure field initializer you're removing, not a variable. And 
also a comment.

> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
> ---
>   drivers/net/wireless/rtlwifi/rtl8192cu/trx.c | 2 --
>   1 file changed, 2 deletions(-)

> diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
> index 763cf1d..04c7e57 100644
> --- a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
> +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
> @@ -349,7 +349,6 @@ bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw,
>   	}
>   	/*rx_status->qual = stats->signal; */
>   	rx_status->signal = stats->rssi + 10;
> -	/*rx_status->noise = -stats->noise; */
>   	return true;
>   }
>
> @@ -364,7 +363,6 @@ static void _rtl_rx_process(struct ieee80211_hw *hw, struct sk_buff *skb)
>   	u8 *rxdesc;
>   	struct rtl_stats stats = {
>   		.signal = 0,
> -		.noise = -98,
>   		.rate = 0,
>   	};

WBR, Sergei



WARNING: multiple messages have this Message-ID (diff)
From: Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
To: Larry Finger <Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
Cc: linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org,
	linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 3/8 V2] rtlwifi: rtl8192cu: Fix smatch warning in rtl8192cu/trx.c
Date: Mon, 16 Sep 2013 23:05:39 +0400	[thread overview]
Message-ID: <52375683.8060103@cogentembedded.com> (raw)
In-Reply-To: <1379357722-17687-4-git-send-email-Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>

On 09/16/2013 10:55 PM, Larry Finger wrote:

> Smatch lists the following:
>    CHECK   drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
> drivers/net/wireless/rtlwifi/rtl8192cu/trx.c:367 _rtl_rx_process() warn: assigning (-98) to unsigned variable 'stats.noise'

> This variable is unused, thus it is removed.

    It's a structure field initializer you're removing, not a variable. And 
also a comment.

> Signed-off-by: Larry Finger <Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
> ---
>   drivers/net/wireless/rtlwifi/rtl8192cu/trx.c | 2 --
>   1 file changed, 2 deletions(-)

> diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
> index 763cf1d..04c7e57 100644
> --- a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
> +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
> @@ -349,7 +349,6 @@ bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw,
>   	}
>   	/*rx_status->qual = stats->signal; */
>   	rx_status->signal = stats->rssi + 10;
> -	/*rx_status->noise = -stats->noise; */
>   	return true;
>   }
>
> @@ -364,7 +363,6 @@ static void _rtl_rx_process(struct ieee80211_hw *hw, struct sk_buff *skb)
>   	u8 *rxdesc;
>   	struct rtl_stats stats = {
>   		.signal = 0,
> -		.noise = -98,
>   		.rate = 0,
>   	};

WBR, Sergei


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  reply	other threads:[~2013-09-16 19:05 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-16 18:55 [PATCH 0/8i V2] rtlwifi: Patches to fix problems shown by smatch Larry Finger
2013-09-16 18:55 ` [PATCH 1/8 V2] rtlwifi: rtl8192du: Fix smatch errors in /rtl8192de/dm.c Larry Finger
2013-09-16 18:55 ` [PATCH 2/8 V2] rtlwifi: rtl8192de: Fix smatch warnings in rtl8192de/hw.c Larry Finger
2013-09-16 18:55   ` Larry Finger
2013-09-16 21:44   ` Kalle Valo
2013-09-16 21:44     ` Kalle Valo
2013-09-16 18:55 ` [PATCH 3/8 V2] rtlwifi: rtl8192cu: Fix smatch warning in rtl8192cu/trx.c Larry Finger
2013-09-16 19:05   ` Sergei Shtylyov [this message]
2013-09-16 19:05     ` Sergei Shtylyov
2013-09-16 18:55 ` [PATCH 4/8 V2] rtlwifi: rtl8192_common: Fix smatch errors and warnings in rtl8192c/dm_common.c Larry Finger
2013-09-16 18:55   ` Larry Finger
2013-09-16 19:02   ` Sergei Shtylyov
2013-09-16 19:02     ` Sergei Shtylyov
2013-09-16 19:07     ` Larry Finger
2013-09-16 19:10       ` Sergei Shtylyov
2013-09-16 18:55 ` [PATCH 5/8 V2] [PATCH 5/7: rtlwifi: Fix smatch warning in pci.c Larry Finger
2013-09-16 18:55   ` Larry Finger
2013-09-16 19:04   ` Sergei Shtylyov
2013-09-16 19:04     ` Sergei Shtylyov
2013-09-16 19:11     ` Sergei Shtylyov
2013-09-16 18:55 ` [PATCH 6/8 V2] rtlwifi: Fix smatch warnings in usb.c Larry Finger
2013-09-16 18:55   ` Larry Finger
2013-09-16 19:07   ` Sergei Shtylyov
2013-09-16 19:07     ` Sergei Shtylyov
2013-09-16 18:55 ` [PATCH 7/8 V2] rtlwifi: rtl8188ee: Fix smatch warning in rtl8188ee/hw.c Larry Finger
2013-09-16 18:55 ` [PATCH 8/8 V2] rtlwifi: Remove variable 'noise' from rtl_stats struct Larry Finger
2013-09-16 18:55   ` Larry Finger
2013-09-17  8:48   ` David Laight

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