mirror/lwip
1
0
Fork 0
mirror of https://github.com/lwip-tcpip/lwip.git synced 2025-03-13 07:14:31 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fixed last commit: can only check for bound sockets, not for unbound. There's some work to do for IPv6 in TCP...

Browse Source
This commit is contained in:
sg 2015-02-26 21:31:48 +01:00
parent a6a92d42f9
commit 0d1606ff23
1 changed files with 8 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/core/tcp.c
View File

@ -593,11 +593,7 @@ tcp_listen_dual_with_backlog(struct tcp_pcb *pcb, u8_t backlog)
struct tcp_pcb *lpcb;
struct tcp_pcb_listen *l;
/* Dual listen only works on bound pcbs (or else we cannot check for
duplicate port use. */
if (pcb->local_port == 0) {
return NULL;
}
if (pcb->local_port != 0) {
/* Check that there's noone listening on this port already
(don't check the IP address since we'll set it to ANY */
for(l = tcp_listen_pcbs.listen_pcbs; l != NULL; l = l->next) {
@ -606,6 +602,7 @@ tcp_listen_dual_with_backlog(struct tcp_pcb *pcb, u8_t backlog)
return NULL;
}
}
}
lpcb = tcp_listen_with_backlog(pcb, backlog);
if ((lpcb != NULL) &&