From: Herbert Valerio Riedel <hvr@gnu.org>
Date: Fri, 23 Jun 2006 22:03:36 +0000 (+0200)
Subject: [MTD] CORE mtdchar.c: fix off-by-one error in lseek()
X-Git-Tag: v2.6.18-rc1~458^2~1
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1887f517e3cdf5f1e9c0e4daaa864450415a8f61;p=pandora-kernel.git

[MTD] CORE mtdchar.c: fix off-by-one error in lseek()

Allow lseek(mtdchar_fd, 0, SEEK_END) to succeed, which currently fails
with EINVAL.

lseek(fd, 0, SEEK_END) should result into the same fileposition as
lseek(fd, 0, SEEK_SET) + read(fd, buf, length(fd))

Furthermore, lseek(fd, 0, SEEK_CUR) should return the current file position,
which in case of an encountered EOF should not result in EINVAL

Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
---

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