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When directory $SYSFSDIR/bus/ccwgroup does not exist znetconf issues an error message and terminates. Its not even possible to get the output of --help or --version. Fix that by moving the responsible check behind the parameter evaluation. Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>