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Added netif_set_up and call protection for NULL function pointers. Bug #16602 and #17777.

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christiaans 2006-11-02 12:25:57 +00:00
parent 2f41e2b0ec
commit fe1bea9538
1 changed files with 13 additions and 5 deletions
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18
src/netif/ppp/ppp.c
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@ -1007,8 +1007,10 @@ int sifup(int pd)
} else {
netif_remove(&pc->netif);
if (netif_add(&pc->netif, &pc->addrs.our_ipaddr, &pc->addrs.netmask, &pc->addrs.his_ipaddr, (void *)pd, pppifNetifInit, ip_input)) {
pc->if_up = 1;
pc->errCode = PPPERR_NONE;
netif_set_up(&pc->netif);
pc->if_up = 1;
pc->errCode = PPPERR_NONE;
PPPDEBUG((LOG_DEBUG, "sifup: unit %d: linkStatusCB=%lx errCode=%d\n", pd, pc->linkStatusCB, pc->errCode));
if(pc->linkStatusCB)
@ -1322,7 +1324,9 @@ static void pppInput(void *arg)
* pass the result to IP.
*/
if (vj_uncompress_tcp(&nb, &pppControl[pd].vjComp) >= 0) {
pppControl[pd].netif.input(nb, &pppControl[pd].netif);
if (pppControl[pd].netif.input != NULL) {
pppControl[pd].netif.input(nb, &pppControl[pd].netif);
}
return;
}
/* Something's wrong so drop it. */
@ -1340,7 +1344,9 @@ static void pppInput(void *arg)
* the packet to IP.
*/
if (vj_uncompress_uncomp(nb, &pppControl[pd].vjComp) >= 0) {
pppControl[pd].netif.input(nb, &pppControl[pd].netif);
if (pppControl[pd].netif.input != NULL) {
pppControl[pd].netif.input(nb, &pppControl[pd].netif);
}
return;
}
/* Something's wrong so drop it. */
@ -1354,7 +1360,9 @@ static void pppInput(void *arg)
break;
case PPP_IP: /* Internet Protocol */
PPPDEBUG((LOG_INFO, "pppInput[%d]: ip in pbuf len=%d\n", pd, nb->len));
pppControl[pd].netif.input(nb, &pppControl[pd].netif);
if (pppControl[pd].netif.input != NULL) {
pppControl[pd].netif.input(nb, &pppControl[pd].netif);
}
return;
default:
{