From 14272097df989808790673521f643053f898aa8c Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Thu, 28 Jul 2011 13:50:02 +0200
Subject: Fixes crash on BSD.

---
 sysdep/bsd/krt-sock.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sysdep/bsd/krt-sock.c b/sysdep/bsd/krt-sock.c
index 81f0013..9e3dcfe 100644
--- a/sysdep/bsd/krt-sock.c
+++ b/sysdep/bsd/krt-sock.c
@@ -697,7 +697,8 @@ krt_set_construct(struct krt_config *c UNUSED)
 void
 krt_set_shutdown(struct krt_proto *x UNUSED, int last UNUSED)
 {
-  mb_free(krt_buffer);
+  if (krt_buffer)
+    mb_free(krt_buffer);
   krt_buffer = NULL;
 }
 
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