netdev - Re: [PATCH net-next V2 01/10] net/flower: Introduce hardware offload support

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Date:	Thu, 03 Mar 2016 12:30:33 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	amir@...ai.me
Cc:	netdev@...r.kernel.org, john.r.fastabend@...el.com,
	jiri@...lanox.com, ogerlitz@...lanox.com, saeedm@...lanox.com,
	hadarh@...lanox.com, ronye@...lanox.com
Subject: Re: [PATCH net-next V2 01/10] net/flower: Introduce hardware
 offload support

From: Amir Vadai <amir@...ai.me>
Date: Thu,  3 Mar 2016 16:55:51 +0200

> @@ -454,11 +501,13 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
>  		     u32 handle, struct nlattr **tca,
>  		     unsigned long *arg, bool ovr)
>  {
> +	struct net_device *dev = tp->q->dev_queue->dev;
>  	struct cls_fl_head *head = rtnl_dereference(tp->root);

This variable is not used.

And the compiler warns about this, and because of this I am pretty sure you
aren't looking at the compiler output while testing your builds which is a
big no-no.