From: Martin Kepplinger <martink@posteo.de>
Date: Mon, 23 Mar 2015 12:59:46 +0000 (+0100)
Subject: char: misc: document behaviour of open()
X-Git-Tag: omap-for-v4.2/o2_dc~63^2~58
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=03190c67ff72b5c56b24266762ab8abe68970f45;p=pandora-kernel.git

char: misc: document behaviour of open()

an open syscall now assignes file->private_data to a pointer to the
miscdevice structure. This reminds people not to duplicate code if
they want this and not to depend on it being NULL.

Signed-off-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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