From: Joel Becker <joel.becker@oracle.com>
Date: Wed, 24 Jan 2007 01:00:45 +0000 (-0800)
Subject: configfs: Zero terminate data in configfs attribute writes.
X-Git-Tag: v2.6.21-rc1~92^2~21^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ff05d1c4643dd4260eb699396043d7e8009c0de4;p=pandora-kernel.git

configfs: Zero terminate data in configfs attribute writes.

Attributes in configfs are text files.  As such, most handlers expect to be
able to call functions like simple_strtoul() without checking the bounds
of the buffer.  Change the call to zero terminate the buffer before calling
the client's ->store() method.  This does reduce the attribute size from
PAGE_SIZE to PAGE_SIZE-1.

Also, change get_zeroed_page() to alloc_page(), as we are handling the
termination.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
---

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