From 3fde85df5421eb01f563fef6f111ba73ab0d120e Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Fri, 4 Jun 2010 12:20:46 +0200
Subject: [PATCH] vt_ioctl: return -EFAULT on copy_from_user errors

copy_from_user() returns the number of bytes remaining but we want to
return a negative error code here.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Reading git-format-patch failed