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Merging some fixes that had been committed into STABLE.

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This commit is contained in:
likewise 2003-05-20 09:49:04 +00:00
parent b8eeee5528
commit cf7054dff2
1 changed files with 8 additions and 0 deletions
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8
src/core/dhcp.c
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@ -1033,6 +1033,7 @@ static err_t dhcp_unfold_reply(struct dhcp *dhcp)
u8_t *ptr;
u16_t i;
u16_t j = 0;
LWIP_ASSERT("dhcp->p != NULL", dhcp->p != NULL);
/* free any left-overs from previous unfolds */
dhcp_free_reply(dhcp);
/* options present? */
@ -1129,6 +1130,8 @@ static void dhcp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_
if (reply_msg->op != DHCP_BOOTREPLY) {
DEBUGF(DHCP_DEBUG | DBG_TRACE | 1, ("not a DHCP reply message, but type %u\n", reply_msg->op));
pbuf_free(p);
dhcp->p = NULL;
return;
}
/* iterate through hardware address and match against DHCP message */
for (i = 0; i < netif->hwaddr_len; i++) {
@ -1136,6 +1139,7 @@ static void dhcp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_
DEBUGF(DHCP_DEBUG | DBG_TRACE | 2, ("netif->hwaddr[%u]==%02x != reply_msg->chaddr[%u]==%02x\n",
i, netif->hwaddr[i], i, reply_msg->chaddr[i]));
pbuf_free(p);
dhcp->p = NULL;
return;
}
}
@ -1143,12 +1147,14 @@ static void dhcp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_
if (ntohl(reply_msg->xid) != dhcp->xid) {
DEBUGF(DHCP_DEBUG | DBG_TRACE | 2, ("transaction id mismatch\n"));
pbuf_free(p);
dhcp->p = NULL;
return;
}
/* option fields could be unfold? */
if (dhcp_unfold_reply(dhcp) != ERR_OK) {
DEBUGF(DHCP_DEBUG | DBG_TRACE | 2, ("problem unfolding DHCP message - too short on memory?\n"));
pbuf_free(p);
dhcp->p = NULL;
return;
}
@ -1158,6 +1164,7 @@ static void dhcp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_
if (options_ptr == NULL) {
DEBUGF(DHCP_DEBUG | DBG_TRACE | 1, ("DHCP_OPTION_MESSAGE_TYPE option not found\n"));
pbuf_free(p);
dhcp->p = NULL;
return;
}
@ -1200,6 +1207,7 @@ static void dhcp_recv(void *arg, struct udp_pcb *pcb, struct pbuf *p, struct ip_
dhcp_handle_offer(netif);
}
pbuf_free(p);
dhcp->p = NULL;
}