[gnome-continuous-yocto/gnomeostree-3.28-rocko: 8170/8267] masterimage.py: fix stop()

[Emmanuele Bassi <ebassi src gnome org>]

commit ee7f665f0a3155f453e7c80ad2cebe5c49e81799
Author: Erik Botö <erik boto pelagicore com>
Date:   Mon Nov 6 10:13:04 2017 -0800

    masterimage.py: fix stop()
    
    The stop() function is called in the context of the masterimage,
    so self.master should be used instead of self.connection which is
    undefined at that time.
    
    [YOCTO #11524]
    
    (From OE-Core rev: 1871d61b75f2fbc0df1368960b7746371fd875f5)
    
    Signed-off-by: Erik Botö <erik boto pelagicore com>
    Signed-off-by: Stephano Cetola <stephano cetola linux intel com>
    Signed-off-by: Ross Burton <ross burton intel com>
    Signed-off-by: Armin Kuster <akuster mvista com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 meta/lib/oeqa/controllers/masterimage.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/meta/lib/oeqa/controllers/masterimage.py b/meta/lib/oeqa/controllers/masterimage.py
index fe90967..e2ff3f1 100644
--- a/meta/lib/oeqa/controllers/masterimage.py
+++ b/meta/lib/oeqa/controllers/masterimage.py
@@ -156,7 +156,7 @@ class MasterImageHardwareTarget(oeqa.targetcontrol.BaseTarget, metaclass=ABCMeta
 
     def stop(self):
         bb.plain("%s - reboot/powercycle target" % self.pn)
-        self.power_cycle(self.connection)
+        self.power_cycle(self.master)
 
 
 class SystemdbootTarget(MasterImageHardwareTarget):