From: Zhang Yanmin <yanmin.zhang@intel.com>
Date: Mon, 23 May 2005 00:47:00 +0000 (-0700)
Subject: [IA64] sys_mmap doesn't follow posix.1 when parameter len=0
X-Git-Tag: v2.6.12-rc6~76^2~1
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d11cf326bd5e785cc5a3f5a3d3f4e3a5522f4fb7;p=pandora-kernel.git

[IA64] sys_mmap doesn't follow posix.1 when parameter len=0

In IA64 kernel, sys_mmap calls do_mmap2 and do_mmap2 returns addr if
len=0, which means the mmap sys call succeeds.

Posix.1 says:
The mmap() function shall fail if:
[EINVAL] The value of len is zero.

Here is a patch to fix it.

Signed-off-by: Zhang Yanmin <yanmin.zhang@intel.com>
Acked-by: David Mosberger <davidm@hpl.hp.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
---

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