From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 30 Jul 2012 07:50:30 +0000 (+0400)
Subject: fix O_EXCL handling for devices
X-Git-Tag: v3.6-rc1~18^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f8310c59201b183ebee2e3fe0c7242f5729be0af;p=pandora-kernel.git

fix O_EXCL handling for devices

O_EXCL without O_CREAT has different semantics; it's "fail if already opened",
not "fail if already exists".  commit 71574865 broke that...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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