linux-kernel - Re: question about smatch error

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Message-Id: <20110116.213336.102559857.davem@davemloft.net>
Date:	Sun, 16 Jan 2011 21:33:36 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	rdreier@...co.com
Cc:	error27@...il.com, linux-kernel@...r.kernel.org
Subject: Re: question about smatch error

From: Roland Dreier <rdreier@...co.com>
Date: Sun, 16 Jan 2011 21:02:52 -0800

> where eui is a u8*, and I don't see how smatch even thinks it knows how
> big the buffer is in the first place.

It can see that the one and only caller passes in a pointer in the
middle of an on-stack ib_gid struct, and it knows how big those
objects are.

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