From 953e7f54e679cd40fff28e29189ed9e24bfb0758 Mon Sep 17 00:00:00 2001
From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Mon, 5 Mar 2012 19:50:39 +0100
Subject: slirp: Prevent recursion of if_start

if_start can be called recursively via if_encap. Avoid this as our
scheme of dequeuing packets is not compatible with this.

CC: Fabien Chouteau <chouteau@adacore.com>
CC: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com>
CC: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 slirp/slirp.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'slirp/slirp.h')

diff --git a/slirp/slirp.h b/slirp/slirp.h
index 28a5c037e6..416d44a996 100644
--- a/slirp/slirp.h
+++ b/slirp/slirp.h
@@ -239,6 +239,7 @@ struct Slirp {
     struct mbuf if_fastq;   /* fast queue (for interactive data) */
     struct mbuf if_batchq;  /* queue for non-interactive data */
     struct mbuf *next_m;    /* pointer to next mbuf to output */
+    bool if_start_busy;     /* avoid if_start recursion */
 
     /* ip states */
     struct ipq ipq;         /* ip reass. queue */
-- 
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