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* [PATCH -next] staging: rtl8192e: Remove set but not used variables 'broad_addr, stype'
@ 2019-02-18 12:33 YueHaibing
  2019-02-18 14:31 ` Dan Carpenter
  2019-02-18 15:15 ` [PATCH v2 " YueHaibing
  0 siblings, 2 replies; 5+ messages in thread
From: YueHaibing @ 2019-02-18 12:33 UTC (permalink / raw)
  To: Greg Kroah-Hartman, Himadri Pandya, David S. Miller,
	Colin Ian King
  Cc: YueHaibing, devel, linux-kernel, kernel-janitors

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/staging/rtl8192e/rtl8192e/rtl_core.c: In function '_rtl92e_tx':
drivers/staging/rtl8192e/rtl8192e/rtl_core.c:1732:28: warning:
 variable 'broad_addr' set but not used [-Wunused-but-set-variable]

drivers/staging/rtl8192e/rtl8192e/rtl_core.c:1731:24: warning:
 variable 'stype' set but not used [-Wunused-but-set-variable]

They're never used and can be removed.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index c145b689175c..ddf3ee71a632 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -1728,8 +1728,8 @@ static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb)
 				    MAX_DEV_ADDR_SIZE);
 	struct tx_desc *pdesc = NULL;
 	struct rtllib_hdr_1addr *header = NULL;
-	u16 fc = 0, type = 0, stype = 0;
-	bool  multi_addr = false, broad_addr = false, uni_addr = false;
+	u16 fc = 0, type = 0;
+	bool  multi_addr = false, uni_addr = false;
 	u8 *pda_addr = NULL;
 	int   idx;
 	u32 fwinfo_size = 0;
@@ -1747,11 +1747,10 @@ static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb)
 	header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size);
 	fc = le16_to_cpu(header->frame_ctl);
 	type = WLAN_FC_GET_TYPE(fc);
-	stype = WLAN_FC_GET_STYPE(fc);
 	pda_addr = header->addr1;
 
 	if (is_broadcast_ether_addr(pda_addr))
-		broad_addr = true;
+		;
 	else if (is_multicast_ether_addr(pda_addr))
 		multi_addr = true;
 	else




^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH -next] staging: rtl8192e: Remove set but not used variables 'broad_addr, stype'
  2019-02-18 12:33 [PATCH -next] staging: rtl8192e: Remove set but not used variables 'broad_addr, stype' YueHaibing
@ 2019-02-18 14:31 ` Dan Carpenter
  2019-02-18 14:48   ` YueHaibing
  2019-02-18 15:15 ` [PATCH v2 " YueHaibing
  1 sibling, 1 reply; 5+ messages in thread
From: Dan Carpenter @ 2019-02-18 14:31 UTC (permalink / raw)
  To: YueHaibing
  Cc: Greg Kroah-Hartman, Himadri Pandya, David S. Miller,
	Colin Ian King, devel, kernel-janitors, linux-kernel

On Mon, Feb 18, 2019 at 12:33:59PM +0000, YueHaibing wrote:
> @@ -1747,11 +1747,10 @@ static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb)
>  	header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size);
>  	fc = le16_to_cpu(header->frame_ctl);
>  	type = WLAN_FC_GET_TYPE(fc);
> -	stype = WLAN_FC_GET_STYPE(fc);
>  	pda_addr = header->addr1;
>  
>  	if (is_broadcast_ether_addr(pda_addr))
> -		broad_addr = true;
> +		;
>  	else if (is_multicast_ether_addr(pda_addr))
>  		multi_addr = true;
>  	else
> 

This is ugly.  Please do it like this:


diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index c145b689175c..29b53e2246b4 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -1729,7 +1729,6 @@ static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb)
 	struct tx_desc *pdesc = NULL;
 	struct rtllib_hdr_1addr *header = NULL;
 	u16 fc = 0, type = 0, stype = 0;
-	bool  multi_addr = false, broad_addr = false, uni_addr = false;
 	u8 *pda_addr = NULL;
 	int   idx;
 	u32 fwinfo_size = 0;
@@ -1751,18 +1750,11 @@ static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb)
 	pda_addr = header->addr1;
 
 	if (is_broadcast_ether_addr(pda_addr))
-		broad_addr = true;
+		priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
 	else if (is_multicast_ether_addr(pda_addr))
-		multi_addr = true;
-	else
-		uni_addr = true;
-
-	if (uni_addr)
-		priv->stats.txbytesunicast += skb->len - fwinfo_size;
-	else if (multi_addr)
 		priv->stats.txbytesmulticast += skb->len - fwinfo_size;
 	else
-		priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
+		priv->stats.txbytesunicast += skb->len - fwinfo_size;
 
 	spin_lock_irqsave(&priv->irq_th_lock, flags);
 	ring = &priv->tx_ring[tcb_desc->queue_index];

^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH -next] staging: rtl8192e: Remove set but not used variables 'broad_addr, stype'
  2019-02-18 14:31 ` Dan Carpenter
@ 2019-02-18 14:48   ` YueHaibing
  0 siblings, 0 replies; 5+ messages in thread
From: YueHaibing @ 2019-02-18 14:48 UTC (permalink / raw)
  To: Dan Carpenter
  Cc: Greg Kroah-Hartman, Himadri Pandya, David S. Miller,
	Colin Ian King, devel, kernel-janitors, linux-kernel

On 2019/2/18 22:31, Dan Carpenter wrote:
> On Mon, Feb 18, 2019 at 12:33:59PM +0000, YueHaibing wrote:
>> @@ -1747,11 +1747,10 @@ static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb)
>>  	header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size);
>>  	fc = le16_to_cpu(header->frame_ctl);
>>  	type = WLAN_FC_GET_TYPE(fc);
>> -	stype = WLAN_FC_GET_STYPE(fc);
>>  	pda_addr = header->addr1;
>>  
>>  	if (is_broadcast_ether_addr(pda_addr))
>> -		broad_addr = true;
>> +		;
>>  	else if (is_multicast_ether_addr(pda_addr))
>>  		multi_addr = true;
>>  	else
>>
> 
> This is ugly.  Please do it like this:

Thank you for correct me.

> 
> 
> diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
> index c145b689175c..29b53e2246b4 100644
> --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
> +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
> @@ -1729,7 +1729,6 @@ static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb)
>  	struct tx_desc *pdesc = NULL;
>  	struct rtllib_hdr_1addr *header = NULL;
>  	u16 fc = 0, type = 0, stype = 0;
> -	bool  multi_addr = false, broad_addr = false, uni_addr = false;
>  	u8 *pda_addr = NULL;
>  	int   idx;
>  	u32 fwinfo_size = 0;
> @@ -1751,18 +1750,11 @@ static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb)
>  	pda_addr = header->addr1;
>  
>  	if (is_broadcast_ether_addr(pda_addr))
> -		broad_addr = true;
> +		priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
>  	else if (is_multicast_ether_addr(pda_addr))
> -		multi_addr = true;
> -	else
> -		uni_addr = true;
> -
> -	if (uni_addr)
> -		priv->stats.txbytesunicast += skb->len - fwinfo_size;
> -	else if (multi_addr)
>  		priv->stats.txbytesmulticast += skb->len - fwinfo_size;
>  	else
> -		priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
> +		priv->stats.txbytesunicast += skb->len - fwinfo_size;
>  
>  	spin_lock_irqsave(&priv->irq_th_lock, flags);
>  	ring = &priv->tx_ring[tcb_desc->queue_index];
> 
> .
> 


^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH v2 -next] staging: rtl8192e: Remove set but not used variables 'broad_addr, stype'
  2019-02-18 15:15 ` [PATCH v2 " YueHaibing
@ 2019-02-18 15:05   ` Dan Carpenter
  0 siblings, 0 replies; 5+ messages in thread
From: Dan Carpenter @ 2019-02-18 15:05 UTC (permalink / raw)
  To: YueHaibing
  Cc: Greg Kroah-Hartman, Himadri Pandya, David S. Miller,
	Colin Ian King, devel, kernel-janitors, linux-kernel

Fantastic!  Thanks.

regards,
dan carpenter


^ permalink raw reply	[flat|nested] 5+ messages in thread

* [PATCH v2 -next] staging: rtl8192e: Remove set but not used variables 'broad_addr, stype'
  2019-02-18 12:33 [PATCH -next] staging: rtl8192e: Remove set but not used variables 'broad_addr, stype' YueHaibing
  2019-02-18 14:31 ` Dan Carpenter
@ 2019-02-18 15:15 ` YueHaibing
  2019-02-18 15:05   ` Dan Carpenter
  1 sibling, 1 reply; 5+ messages in thread
From: YueHaibing @ 2019-02-18 15:15 UTC (permalink / raw)
  To: Greg Kroah-Hartman, Himadri Pandya, David S. Miller,
	Colin Ian King
  Cc: YueHaibing, devel, linux-kernel, kernel-janitors

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/staging/rtl8192e/rtl8192e/rtl_core.c: In function '_rtl92e_tx':
drivers/staging/rtl8192e/rtl8192e/rtl_core.c:1732:28: warning:
 variable 'broad_addr' set but not used [-Wunused-but-set-variable]

drivers/staging/rtl8192e/rtl8192e/rtl_core.c:1731:24: warning:
 variable 'stype' set but not used [-Wunused-but-set-variable]

This remove unnessesary bool variable 'multi_addr, broad_addr, uni_addr'
Also 'stype' never used and  can be removed.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
v2: remove unnessesary bool variable 'multi_addr,uni_addr'
---
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index c145b689175c..253f1911a3f4 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -1728,8 +1728,7 @@ static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb)
 				    MAX_DEV_ADDR_SIZE);
 	struct tx_desc *pdesc = NULL;
 	struct rtllib_hdr_1addr *header = NULL;
-	u16 fc = 0, type = 0, stype = 0;
-	bool  multi_addr = false, broad_addr = false, uni_addr = false;
+	u16 fc = 0, type = 0;
 	u8 *pda_addr = NULL;
 	int   idx;
 	u32 fwinfo_size = 0;
@@ -1747,22 +1746,14 @@ static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb)
 	header = (struct rtllib_hdr_1addr *)(((u8 *)skb->data) + fwinfo_size);
 	fc = le16_to_cpu(header->frame_ctl);
 	type = WLAN_FC_GET_TYPE(fc);
-	stype = WLAN_FC_GET_STYPE(fc);
 	pda_addr = header->addr1;
 
 	if (is_broadcast_ether_addr(pda_addr))
-		broad_addr = true;
+		priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
 	else if (is_multicast_ether_addr(pda_addr))
-		multi_addr = true;
-	else
-		uni_addr = true;
-
-	if (uni_addr)
-		priv->stats.txbytesunicast += skb->len - fwinfo_size;
-	else if (multi_addr)
 		priv->stats.txbytesmulticast += skb->len - fwinfo_size;
 	else
-		priv->stats.txbytesbroadcast += skb->len - fwinfo_size;
+		priv->stats.txbytesunicast += skb->len - fwinfo_size;
 
 	spin_lock_irqsave(&priv->irq_th_lock, flags);
 	ring = &priv->tx_ring[tcb_desc->queue_index];




^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2019-02-18 15:06 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2019-02-18 12:33 [PATCH -next] staging: rtl8192e: Remove set but not used variables 'broad_addr, stype' YueHaibing
2019-02-18 14:31 ` Dan Carpenter
2019-02-18 14:48   ` YueHaibing
2019-02-18 15:15 ` [PATCH v2 " YueHaibing
2019-02-18 15:05   ` Dan Carpenter

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