do_move_pid_main: don't break out of while loop on error; return error after
do_move_pid_main: don't break out of while loop on error; return error after

lxc/cgmanager,hallyn/cgmanager-pkg-ubuntu,udeved/cgmanager,hustcat/cgmanager,hallyn/cgmanager-pkg-ubuntu,hallyn/cgmanager,hustcat/cgmanager,hallyn/cgmanager,udeved/cgmanager,lxc/cgmanager