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Fix for systems with multiple tl interfaces: 

nullbuf (used to pad packets < ETHER_MIN_SIZE) is used for all tl
interfaces. Allocates only once, and never deallocate it (as we can't say
if another instance of the driver is interface is using it).
This commit is contained in:
bouyer 1997-11-18 12:26:09 +00:00
parent fe3e796d68
commit e0746c57db
1 changed files with 4 additions and 6 deletions
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10
sys/dev/pci/if_tl.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_tl.c,v 1.5 1997/11/17 08:14:53 thorpej Exp $ */
/* $NetBSD: if_tl.c,v 1.6 1997/11/18 12:26:09 bouyer Exp $ */
/*
* Copyright (c) 1997 Manuel Bouyer. All rights reserved.
@ -303,7 +303,7 @@ tl_lookup_product(id)
return (tp);
}
static char *nullbuf;
static char *nullbuf = NULL;
static int
tl_pci_match(parent, match, aux)
@ -559,9 +559,6 @@ static void tl_shutdown(v)
sc->last_Tx = NULL;
free(sc->Tx_list, M_DEVBUF);
sc->Tx_list = NULL;
if (nullbuf)
free(nullbuf, M_DEVBUF);
nullbuf = NULL;
sc->tl_if.if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
sc->mii.mii_media_status &= ~IFM_ACTIVE;
sc->tl_flags = 0;
@ -644,7 +641,8 @@ static int tl_init(sc)
sc->active_Tx = sc->last_Tx = NULL;
sc->Free_Tx = &sc->Tx_list[0];
nullbuf = malloc(ETHER_MIN_TX, M_DEVBUF, M_NOWAIT);
if (nullbuf == NULL)
nullbuf = malloc(ETHER_MIN_TX, M_DEVBUF, M_NOWAIT);
if (nullbuf == NULL) {
printf("%s: can't allocate space for pad buffer\n",
sc->sc_dev.dv_xname);