netdev - Re: New sparse warning in net/mac80211/debugfs

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Date:	Thu, 21 Feb 2008 19:15:53 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	Joe Perches <joe@...ches.com>
CC:	Johannes Berg <johannes@...solutions.net>,
	David Miller <davem@...emloft.net>, harvey.harrison@...il.com,
	netdev@...r.kernel.org
Subject: Re: New sparse warning in net/mac80211/debugfs_sta.c

Patrick McHardy wrote:
> Joe Perches wrote:
>>
>> This removes the __pure from print_mac, so reject as appropriate...
>>
>> Add some type safety to print_mac by using struct print_mac_buf * 
>> instead of char *.
>
> And adds back the overhead of two completely unnecessary
> function calls to the VLAN fastpath. 

BTW, this also affects ATM, with 3 calls in hard_start_xmit,
3 calls in lec_xmit and 1 cakk in lec_atm_send.

> How about just
> stopping this idiocy and reverting the appropriate patches
> to bring back MAC_FMT and use it where appropriate? 

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