netdev - Re: [PATCH v2 net 1/2] drivers/net: Disable UFO through virtio

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Date:	Thu, 30 Oct 2014 11:47:29 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	netdev@...r.kernel.org,
	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	virtualization@...ts.linux-foundation.org
Subject: Re: [PATCH v2 net 1/2] drivers/net: Disable UFO through virtio


On Thu, 2014-10-30 at 18:27 +0000, Ben Hutchings wrote:


> +		{
> +			static bool warned;
> +
> +			if (!warned) {
> +				warned = true;
> +				netdev_warn(tun->dev,
> +					    "%s: using disabled UFO feature; please fix this program\n",
> +					    current->comm);
> +			}
>

It might be time to add netdev_warn_once() ;)

Alternatively, you could use 
	pr_warn_once("%s: using disabled UFO feature; please fix this program\n",
		     tun->dev->name, current->comm);


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