From 33d130f74cefe466180161bdd86a2c864475f0ac Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?fengbojiang=28=E5=A7=9C=E5=87=A4=E6=B3=A2=29?=
 <fengbojiang@tencent.com>
Date: Wed, 11 Dec 2019 20:24:30 +0800
Subject: [PATCH] Fix a crash bug while use `ff_ifconfig` to get interface list
 of bridge.

---
 tools/ifconfig/ifbridge.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/ifconfig/ifbridge.c b/tools/ifconfig/ifbridge.c
index 4fb33282..9d5442a7 100644
--- a/tools/ifconfig/ifbridge.c
+++ b/tools/ifconfig/ifbridge.c
@@ -58,6 +58,7 @@ static const char rcsid[] =
 #include <unistd.h>
 #include <err.h>
 #include <errno.h>
+#include <rte_malloc.h>
 
 #include "ifconfig.h"
 
@@ -166,7 +167,11 @@ bridge_interfaces(int s, const char *prefix)
 	}
 
 	for (;;) {
+#ifndef FSTACK
 		ninbuf = realloc(inbuf, len);
+#else
+		ninbuf = rte_malloc(NULL, len, 0);
+#endif
 		if (ninbuf == NULL)
 			err(1, "unable to allocate interface buffer");
 		bifc.ifbic_len = len;
@@ -212,7 +217,11 @@ bridge_interfaces(int s, const char *prefix)
 		printf("\n");
 	}
 
+#ifndef FSTACK
 	free(inbuf);
+#else
+	rte_free(inbuf);
+#endif
 }
 
 static void