int written = 0;
        u8 *buf;
 
-       buf = (u8 *) __get_free_page(GFP_KERNEL);
+       buf = (u8 *)__get_free_page(GFP_KERNEL);
        if (!buf)
                return -ENOMEM;
 
        err = 0;
 
 cleanup:
-       free_page((unsigned long) buf);
+       free_page((unsigned long)buf);
        return err;
 }
 EXPORT_SYMBOL_GPL(visorchannel_clear);
  */
 #define SIG_WRITE_FIELD(channel, queue, sig_hdr, FIELD)                         \
        (visorchannel_write(channel,                                     \
-                           SIG_QUEUE_OFFSET(&channel->chan_hdr, queue)+ \
+                           SIG_QUEUE_OFFSET(&channel->chan_hdr, queue) +\
                            offsetof(struct signal_queue_header, FIELD), \
                            &((sig_hdr)->FIELD),                         \
                            sizeof((sig_hdr)->FIELD)) >= 0)