From: Mikulas Patocka <mpatocka@redhat.com>
Date: Wed, 1 Jul 2015 21:30:36 +0000 (-0400)
Subject: dm: test return value for DM_MAPIO_SUBMITTED
X-Git-Tag: omap-for-v4.3/fixes-rc1~111^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ab37844d6169c2dd6f96e665b07b692ba1a4c180;p=pandora-kernel.git

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>
---

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