From ab37844d6169c2dd6f96e665b07b692ba1a4c180 Mon Sep 17 00:00:00 2001
From: Mikulas Patocka <mpatocka@redhat.com>
Date: Wed, 1 Jul 2015 17:30:36 -0400
Subject: [PATCH] dm: test return value for DM_MAPIO_SUBMITTED

In properly written code we should not assume that DM_MAPIO_SUBMITTED is
zero. We should test the return value for DM_MAPIO_SUBMITTED rather than
testing it for zero.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
---
Reading git-format-patch failed