From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joe Perches <joe@perches.com>
Subject: Re: Printing the driver name as part of the netdev watchdog message
Date: Wed, 09 Jul 2008 10:20:55 -0700
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	 <20080708.145738.12692130.davem@davemloft.net>
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Cc: Arjan van de Ven <arjan@infradead.org>,
	David Miller <davem@davemloft.net>,
	swise@opengridcomputing.com, rdreier@cisco.com,
	shemminger@vyatta.com, netdev@vger.kernel.org
To: Stephen Hemminger <stephen.hemminger@vyatta.com>
Return-path: <netdev-owner@vger.kernel.org>
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On Tue, 2008-07-08 at 20:16 -0700, Stephen Hemminger wrote:
> > +void netdev_drivername(struct net_device *dev, char *buffer, int len)
> void netdev_drivername(const struct net_device *dev, char *buffer, int len)
> since net device not changed.

char *netdev_drivername(const struct net_dev *dev, char *buffer, size_t len)

size_t len and returns *buffer

allows:

	char drivername[64];
        printk(KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit timed out\n",
               dev->name, netdev_drivername(dev, drivername, sizeof(drivername));