gitproxy/RTLPlayground
1
0 Fork 0
mirror of https://github.com/logicog/RTLPlayground.git synced 2026-10-29 17:54:14 +08:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #414 from DrDoof/fix/dhcp-restart-leak

Browse Source 
dhcp: do not leave the old socket behind when starting again
This commit is contained in:
René van Dorst authored and GitHub committed 2026-09-08 22:19:18 +00:00
2 parents 5b28ddf80a 4bcbada764
commit b2b7f8a0c6
1 file changed
+6
Download Patch File Download Diff File Expand all files Collapse all files
dhcp.c
+6
View File
@@ -353,6 +353,12 @@ void parse_dhcp(void)
void dhcp_start(void) __banked void dhcp_start(void) __banked
{ {
/* Starting twice would leave the first socket bound: uip_udp_new() takes
* the next free slot while the old one keeps port 68, and dhcp_callback()
* matches on that port rather than on the connection, so every leftover
* runs the state machine too and the timers count down once per socket. */
if (dhcp_state.state != DHCP_OFF)
dhcp_stop();
uip_ipaddr(server, 255,255,255,255); uip_ipaddr(server, 255,255,255,255);
dhcp_state.conn = uip_udp_new(&server, HTONS(DHCPC_SERVER_PORT)); dhcp_state.conn = uip_udp_new(&server, HTONS(DHCPC_SERVER_PORT));
dhcp_state.current_ip[0] = dhcp_state.current_ip[1] = dhcp_state.current_ip[2] = dhcp_state.current_ip[3] = 0; dhcp_state.current_ip[0] = dhcp_state.current_ip[1] = dhcp_state.current_ip[2] = dhcp_state.current_ip[3] = 0;