diff options
Diffstat (limited to 'c/src/lib/libchip')
-rw-r--r-- | c/src/lib/libchip/network/sonic.c | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/c/src/lib/libchip/network/sonic.c b/c/src/lib/libchip/network/sonic.c index 7fe2200ab1..66c12d570c 100644 --- a/c/src/lib/libchip/network/sonic.c +++ b/c/src/lib/libchip/network/sonic.c @@ -1502,23 +1502,27 @@ rtems_sonic_driver_attach ( struct sonic_softc *sc; struct ifnet *ifp; int mtu; - int i; + int unitNumber; + char *unitName; /* - * Find an unused entry + * Parse driver name */ - i = 0; - sc = sonic_softc; - for (;;) { - if (sc == &sonic_softc[NSONIC]) { - printf ("No more SONIC devices.\n"); - return 0; - } - ifp = &sc->arpcom.ac_if; - if (ifp->if_softc == NULL) - break; - sc++; - i++; + if ((unitNumber = rtems_bsdnet_parse_driver_name (config, &unitName)) < 0) + return 0; + + /* + * Is driver free? + */ + if ((unitNumber <= 0) || (unitNumber > NSONIC)) { + printf ("Bad SONIC unit number.\n"); + return 0; + } + sc = &sonic_softc[unitNumber - 1]; + ifp = &sc->arpcom.ac_if; + if (ifp->if_softc != NULL) { + printf ("Driver already in use.\n"); + return 0; } /* @@ -1562,8 +1566,8 @@ rtems_sonic_driver_attach ( * Set up network interface values */ ifp->if_softc = sc; - ifp->if_unit = i + 1; - ifp->if_name = "sonic"; + ifp->if_unit = unitNumber; + ifp->if_name = unitName; ifp->if_mtu = mtu; ifp->if_init = sonic_init; ifp->if_ioctl = sonic_ioctl; |