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altcp: fix altcp_tcp_close for LISTEN pcb

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See bug #55219

Signed-off-by: Simon Goldschmidt <goldsimon@gmx.de>
(cherry picked from commit 064d816ea1)
This commit is contained in:
Simon Goldschmidt 2020-02-03 22:13:07 +01:00
parent a32ea1e793
commit 4022a19cbc
1 changed files with 13 additions and 9 deletions
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6
src/core/altcp_tcp.c
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@ -161,21 +161,25 @@ static void
altcp_tcp_remove_callbacks(struct tcp_pcb *tpcb)
{
tcp_arg(tpcb, NULL);
if (tpcb->state != LISTEN) {
tcp_recv(tpcb, NULL);
tcp_sent(tpcb, NULL);
tcp_err(tpcb, NULL);
tcp_poll(tpcb, NULL, tpcb->pollinterval);
}
}
static void
altcp_tcp_setup_callbacks(struct altcp_pcb *conn, struct tcp_pcb *tpcb)
{
tcp_arg(tpcb, conn);
/* this might be called for LISTN when close fails... */
if (tpcb->state != LISTEN) {
tcp_recv(tpcb, altcp_tcp_recv);
tcp_sent(tpcb, altcp_tcp_sent);
tcp_err(tpcb, altcp_tcp_err);
/* tcp_poll is set when interval is set by application */
/* listen is set totally different :-) */
}
}
static void