migrate_fd_put_ready() calls qemu_savevm_state_complete(),
but the later can fail.

If it happens, re-start the vm and propagate the error up

Based on a patch by Yaniv Kamay

Signed-off-by: Glauber Costa <glommer@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6997 c046a42c-6fe2-441c-8c8c-71466251a162