From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 20 Aug 2016 21:05:21 +0000 (-0400)
Subject: openrisc: fix copy_from_user()
X-Git-Tag: v3.2.84~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6882b9a54f40f23f8b10f5b7df411cad3b52c5a7;p=pandora-kernel.git

openrisc: fix copy_from_user()

commit acb2505d0119033a80c85ac8d02dccae41271667 upstream.

... that should zero on faults.  Also remove the <censored> helpful
logics wrt range truncation copied from ppc32.  Where it had ever
been needed only in case of copy_from_user() *and* had not been merged
into the mainline until a month after the need had disappeared.
A decade before openrisc went into mainline, I might add...

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

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