From a209d5d8e1bea2b37a7cddebe1f275da4ebde4e3 Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Mon, 15 Aug 2011 02:06:56 +0200
Subject: A minor fix in BSD.

---
 sysdep/bsd/krt-sock.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/sysdep/bsd/krt-sock.c b/sysdep/bsd/krt-sock.c
index 9e3dcfe..f6bc4a2 100644
--- a/sysdep/bsd/krt-sock.c
+++ b/sysdep/bsd/krt-sock.c
@@ -697,8 +697,10 @@ krt_set_construct(struct krt_config *c UNUSED)
 void
 krt_set_shutdown(struct krt_proto *x UNUSED, int last UNUSED)
 {
-  if (krt_buffer)
-    mb_free(krt_buffer);
+  if (!krt_buffer)
+    return;
+
+  mb_free(krt_buffer);
   krt_buffer = NULL;
 }
 
@@ -720,6 +722,9 @@ krt_if_start(struct kif_proto *p UNUSED)
 void
 krt_if_shutdown(struct kif_proto *p UNUSED)
 {
+  if (!kif_buffer)
+    return;
+
   mb_free(kif_buffer);
   kif_buffer = NULL;
 }
-- 
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