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From: Christian Brueffer <brueffer@FreeBSD.org>
Date: Wed, 4 Nov 2009 13:41:43 +0000 (UTC)
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Subject: svn commit: r198890 - stable/6/lib/libstand
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Author: brueffer
Date: Wed Nov  4 13:41:43 2009
New Revision: 198890
URL: http://svn.freebsd.org/changeset/base/198890

Log:
  MFC: 198542
  
  Initialize f_rabuf in the raw device case. A subsequent close()
  later on would try to free it, leading to a crash.

Modified:
  stable/6/lib/libstand/open.c
Directory Properties:
  stable/6/lib/libstand/   (props changed)

Modified: stable/6/lib/libstand/open.c
==============================================================================
--- stable/6/lib/libstand/open.c	Wed Nov  4 13:40:50 2009	(r198889)
+++ stable/6/lib/libstand/open.c	Wed Nov  4 13:41:43 2009	(r198890)
@@ -117,6 +117,7 @@ open(const char *fname, int mode)
     /* see if we opened a raw device; otherwise, 'file' is the file name. */
     if (file == (char *)0 || *file == '\0') {
 	f->f_flags |= F_RAW;
+	f->f_rabuf = NULL;
 	return (fd);
     }