Staging: fix operator precedence errors

`!' has a higher precedence than `&' and `|' has a higher precedence than `?'

Signed-off-by: Roel Kluin <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/comedi/drivers/pcl816.c

···
 	if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src)
 		err++;
 
-	if (!cmd->convert_src & (TRIG_EXT | TRIG_TIMER))
+	if (!(cmd->convert_src & (TRIG_EXT | TRIG_TIMER)))
 		err++;
 
 	tmp = cmd->scan_end_src;

drivers/staging/pohmelfs/trans.c

···
 			goto err_out;
 		}
 
-		msg.msg_flags = MSG_WAITALL|(attached_pages == 1)?0:MSG_MORE;
+		msg.msg_flags = MSG_WAITALL | (attached_pages == 1 ? 0 :
+				MSG_MORE);
 
 		err = kernel_sendpage(st->socket, page, 0, size, msg.msg_flags);
 		if (err <= 0) {

drivers/staging/rt2870/tmp60

···
             }
         else
 			/* Don't complain if only change the mode */
-			if(!erq->flags & IW_ENCODE_MODE) {
+			if(!(erq->flags & IW_ENCODE_MODE)) {
 				return -EINVAL;
 		}
 	}

drivers/staging/rt2870/tmp61

···
             }
         else
 			/* Don't complain if only change the mode */
-			if(!erq->flags & IW_ENCODE_MODE) {
+			if(!(erq->flags & IW_ENCODE_MODE)) {
 				return -EINVAL;
 		}
 	}

drivers/staging/rt3070/sta_ioctl.c

···
             }
         else
 			/* Don't complain if only change the mode */
-		if(!erq->flags & IW_ENCODE_MODE)
-		{
+		if (!(erq->flags & IW_ENCODE_MODE))
 				return -EINVAL;
-		}
 	}
 
 done: