tree c0802accb3d22c29aaba1dc6428b0d77458a9897
parent afd91d07ff72919071e37086c0664384b3875688
author Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 1255022589 -0400
committer Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 1302819967 -0400

Fix compile warnings: ignoring return value of 'xenbus_register_backend' ..

We neglect to check the return value of xenbus_register_backend
and take actions when that fails. This patch fixes that and adds
code to deal with those type of failures.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>