From: Michael S. Tsirkin <mst@redhat.com>
Date: Tue, 23 Feb 2010 09:25:23 +0000 (+0200)
Subject: vhost: fix get_user_pages_fast error handling
X-Git-Tag: v2.6.34-rc1~233^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6db3f5c11dc7ed5712d5d5682aa34025ee5248e;p=pandora-kernel.git

vhost: fix get_user_pages_fast error handling

get_user_pages_fast returns number of pages on success, negative value
on failure, but never 0. Fix vhost code to match this logic.

Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---

Reading git-diff-tree failed