[linux-dvb] Doubt in file dvb-usb-dvb.c

[lwtbenben]

    In dvb-usb-dvb.c, where we want to register our frontend to the DVB core, we have these condition checked;    
    if (adap->props.frontend_attach(adap) == 0 && adap->fe != NULL)    
    But actually pointer adap->fe is filled in the fuction adap->props.frontend_attach(adap),     
    I think this unsuitable.    
    And my driver just can not enter this function to register my frontend to Linux DVB core.
    Any advice?
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