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fix(lwip): Trim to max packet size in dhcp server

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This commit is contained in:
David Cermak
2026-05-19 13:36:15 +02:00
committed by Euripedes Rocha
parent 85ec4851f9
commit 9bbc31b528
1 changed files with 6 additions and 1 deletions
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components/lwip/apps/dhcpserver/dhcpserver.c
+6 -1
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@@ -1136,7 +1136,7 @@ static void handle_dhcp(void *arg,
{
struct dhcps_t *dhcps = arg;
struct dhcps_msg *pmsg_dhcps = NULL;
s16_t tlen, malloc_len;
u16_t tlen, malloc_len;
u16_t i;
u16_t dhcps_msg_cnt = 0;
u8_t *p_dhcps_msg = NULL;
@@ -1151,6 +1151,11 @@ static void handle_dhcp(void *arg,
return;
}
if (p->tot_len > 1500) {
pbuf_free(p);
return;
}
malloc_len = sizeof(struct dhcps_msg);
#if DHCPS_DEBUG
DHCPS_LOG("dhcps: handle_dhcp malloc_len=%d rx_len=%d", malloc_len, p->tot_len);