[PATCH] xilinx:Remove unused variable num_frag in the function axienet_start_xmit

[Nicholas Krause]

On June 17, 2015 12:07:30 PM EDT, "Sören Brinkmann" <soren.brinkmann at xilinx.com> wrote:
>On Wed, 2015-06-17 at 11:52AM -0400, Nicholas Krause wrote:
>> This removes the unused variable num_frag and the setting of it
>> to the number of fragments from the passed sk_buff pointer by
>> this function's caller due to this variable never being used
>> in this particular function and is not declared as  global so
>> setting it for global use in this file is pointless.
>> 
>> Signed-off-by: Nicholas Krause <xerofoify at gmail.com>
>> ---
>>  drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 2 --
>>  1 file changed, 2 deletions(-)
>> 
>> diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
>b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
>> index 28b7e7d..624dce4 100644
>> --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
>> +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c
>> @@ -651,7 +651,6 @@ static inline int
>axienet_check_tx_bd_space(struct axienet_local *lp,
>>  static int axienet_start_xmit(struct sk_buff *skb, struct net_device
>*ndev)
>>  {
>>  	u32 ii;
>> -	u32 num_frag;
>>  	u32 csum_start_off;
>>  	u32 csum_index_off;
>>  	skb_frag_t *frag;
>> @@ -659,7 +658,6 @@ static int axienet_start_xmit(struct sk_buff
>*skb, struct net_device *ndev)
>>  	struct axienet_local *lp = netdev_priv(ndev);
>>  	struct axidma_bd *cur_p;
>>  
>> -	num_frag = skb_shinfo(skb)->nr_frags;
>>  	cur_p = &lp->tx_bd_v[lp->tx_bd_tail];
>>  
>>  	if (axienet_check_tx_bd_space(lp, num_frag)) {
>
>It's used right here, isn't it (and further down in this function too)?
>Does your tree compile with this change?
>
>	Sören
My tree does compile with this change. 
Nick 

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