In message <tkr7l7ed0i3.fsf@parity-error.sm.sony.co.jp>enami tsugutomo writes
>Jonathan Stone <jonathan@DSG.Stanford.EDU> writes:

>Probably, (ifp->if_flags & IFF_RUNNING) == 0 is better.
>sc->sc_enabled != 0 just means device power is enabled, but
>(ifp->if_flags & IFF_RUNNING) != 0 means interface is initialized
>properly.

Oh, I see. Thank you again. But in that case, there are other drivers
whose interrupt routine needs auditing, because they dont check for
IFF_RUNNING (e.g., dp8390_intr(), used by if_ne_pcmcia.c.)