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-rw-r--r--slirp/socket.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/slirp/socket.c b/slirp/socket.c
index b836c42..7f022a6 100644
--- a/slirp/socket.c
+++ b/slirp/socket.c
@@ -260,10 +260,11 @@ err:
* so when OOB data arrives, we soread() it and everything
* in the send buffer is sent as urgent data
*/
-void
+int
sorecvoob(struct socket *so)
{
struct tcpcb *tp = sototcpcb(so);
+ int ret;
DEBUG_CALL("sorecvoob");
DEBUG_ARG("so = %p", so);
@@ -276,11 +277,15 @@ sorecvoob(struct socket *so)
* urgent data, or the read() doesn't return all the
* urgent data.
*/
- soread(so);
- tp->snd_up = tp->snd_una + so->so_snd.sb_cc;
- tp->t_force = 1;
- tcp_output(tp);
- tp->t_force = 0;
+ ret = soread(so);
+ if (ret > 0) {
+ tp->snd_up = tp->snd_una + so->so_snd.sb_cc;
+ tp->t_force = 1;
+ tcp_output(tp);
+ tp->t_force = 0;
+ }
+
+ return ret;
}
/*