From: Giuseppe Scrivano <gscrivano@gnu.org>
Date: Tue, 15 Sep 2009 22:21:10 +0000 (+0200)
Subject: Fix a segfault when m_current_buffer is NULL
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=fc93f7b5de3d6c5bd4992d1fce5290f442d15e55;p=emacs.git

Fix a segfault when m_current_buffer is NULL
---

diff --git a/src/thread.c b/src/thread.c
index 972beb2c462..506e9d60afa 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -55,8 +55,11 @@ mark_one_thread (struct thread_state *thread)
 
   mark_backtrace (thread->m_backtrace_list);
 
-  XSETBUFFER (tem, thread->m_current_buffer);
-  mark_object (tem);
+  if (thread->m_current_buffer)
+    {
+      XSETBUFFER (tem, thread->m_current_buffer);
+      mark_object (tem);
+    }
 }
 
 static void