Commit b5ab6771 authored by Steven Luo's avatar Steven Luo Committed by Samuel Thibault
Browse files

slirp: don't crash when tcp_sockclosed() is called with a NULL tp 



Signed-off-by: default avatarSteven Luo <steven+qemu@steven676.net>
Reviewed-by: default avatarEdgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: default avatarSamuel Thibault <samuel.thibault@ens-lyon.org>
parent 7acbff99

slirp/tcp_subr.c

+5 −2
Original line number Diff line number Diff line
@@ -356,6 +356,10 @@ tcp_sockclosed(struct tcpcb *tp) 
	DEBUG_CALL("tcp_sockclosed");

	DEBUG_ARG("tp = %p", tp);



	if (!tp) {

		return;

	}



	switch (tp->t_state) {



	case TCPS_CLOSED:
@@ -374,7 +378,6 @@ tcp_sockclosed(struct tcpcb *tp) 
		tp->t_state = TCPS_LAST_ACK;

		break;

	}

	if (tp)

	tcp_output(tp);

}