Mirrors/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2026-08-18 06:35:35 +03:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source
This commit is contained in:
David Cermak
2026-04-15 09:27:46 +02:00
parent e875d571b2
commit 0a02f0c3f0
1 changed files with 6 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
components/lwip/apps/dhcpserver/dhcpserver.c
View File

@@ -1150,7 +1150,7 @@ 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;
@@ -1165,6 +1165,11 @@ 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);