linux-kernel - RE: [PATCH 6/6] vfs: introduce FMODE_NEG_OFFSET for allowing negative f

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Date:	Mon, 18 Jan 2010 13:26:44 +0800
From:	"Wu, Fengguang" <fengguang.wu@...el.com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
CC:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Christoph Hellwig <hch@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Eric Paris <eparis@...hat.com>, Nick Piggin <npiggin@...e.de>,
	Andi Kleen <andi@...stfloor.org>,
	David Howells <dhowells@...hat.com>,
	Jonathan Corbet <corbet@....net>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>
Subject: RE: [PATCH 6/6] vfs: introduce FMODE_NEG_OFFSET for allowing
 negative f_pos


> On error, the kernel returns -EOVERFLOW (via %eax) and libc hides
> it by
>  errno = EOVERFLOW
>  ret = -1

Ah got it. How about the attached patch?

Thanks,
Fengguang

Download attachment "mem-seek-fix" of type "application/octet-stream" (1404 bytes)