linux-kernel - Re: Linux 2.6.34-rc3 + CAN build problem

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Message-Id: <20100410.155009.66184583.davem@davemloft.net>
Date:	Sat, 10 Apr 2010 15:50:09 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	socketcan@...tkopp.net
Cc:	nm127@...email.hu, eric.dumazet@...il.com,
	oliver.hartkopp@...kswagen.de, urs.thuermann@...kswagen.de,
	socketcan-core@...ts.berlios.de, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: Linux 2.6.34-rc3 + CAN build problem

From: Oliver Hartkopp <socketcan@...tkopp.net>
Date: Sat, 10 Apr 2010 14:36:48 +0200

> So i wonder why Nemeth trapped into this problem ... probably an include file
> mix-up?

Do you have CONFIG_DEBUG_STRICT_USER_COPY_CHECKS enabled in your
kernel config?

That's the only way you get an actual failure of a build when
the user copy size can't be proven to be in range by the
compiler, otherwise it just warns.
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