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From: David Miller <davem@davemloft.net>
Subject: Re: New sparse warning in net/mac80211/debugfs_sta.c
Date: Mon, 25 Feb 2008 11:52:20 -0800 (PST)
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From: Johannes Berg <johannes@sipsolutions.net>
Date: Mon, 25 Feb 2008 10:53:48 +0100

> Maybe we should just add a new printf modifier like %M for MAC
> addresses? Then we could use sprintf, snprintf, printk and whatever we
> please without any of the macro stuff...

But GCC has no idea what the heck it is and will warn.