Fix assignment instead of check in ccw_device_set_online().  Also remove
unneeded assignment in ccw_device_do_sense().
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
        else 
                pr_debug("ccw_device_offline returned %d, device %s\n",
                         ret, cdev->dev.bus_id);
-       return (ret = 0) ? -ENODEV : ret;
+       return (ret == 0) ? -ENODEV : ret;
 }
 
 static ssize_t
 
        /*
         * We have ending status but no sense information. Do a basic sense.
         */
-       sch = to_subchannel(cdev->dev.parent);
        sch->sense_ccw.cmd_code = CCW_CMD_BASIC_SENSE;
        sch->sense_ccw.cda = (__u32) __pa(cdev->private->irb.ecw);
        sch->sense_ccw.count = SENSE_MAX_COUNT;