Re: [PATCH -next] staging: rtl8192e: Remove set but not used variables 'broad_addr, stype'

From: YueHaibing
Date: Mon Feb 18 2019 - 09:49:12 EST


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];
>
> .
>