7.10 Unregistering the Card from the Hardware
Management Database
The following code shows how the
el_unattach( )
routine unregisters the
card from the hardware management database:
lan_ehm_free(&sc->ehm);
1
1
Frees up any memory allocated for enhanced hardware management
and unregisters this card from the hardware management database.
7.11 Freeing Resources
The following code shows how the
el_unattach( )
routine frees data
structures and memory that the adapter uses:
FREE(sc, M_DEVBUF);
1
el_softc[unit] = NULL;
el_info[unit] = NULL;
el_configured--;
return (ESUCCESS);
}
1
Frees all memory that the adapter uses, and returns ESUCCESS to
indicate that the
unattach
operation completed successfully.
Implementing the unattach Routine 7–5
