CVS commit: src/sys/kern

[Elad Efrat]

Module Name:    src
Committed By:   elad
Date:           Fri Dec 25 22:57:54 UTC 2009

Modified Files:
        src/sys/kern: kern_verifiedexec.c

Log Message:
Only kmem_free() the filename if we have one.


To generate a diff of this commit:
cvs rdiff -u -r1.118 -r1.119 src/sys/kern/kern_verifiedexec.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.


Modified files:

Index: src/sys/kern/kern_verifiedexec.c
diff -u src/sys/kern/kern_verifiedexec.c:1.118 src/sys/kern/kern_verifiedexec.c:1.119
--- src/sys/kern/kern_verifiedexec.c:1.118	Sat Nov  7 07:27:49 2009
+++ src/sys/kern/kern_verifiedexec.c	Fri Dec 25 22:57:54 2009
@@ -1,4 +1,4 @@
-/*	$NetBSD: kern_verifiedexec.c,v 1.118 2009/11/07 07:27:49 cegger Exp $	*/
+/*	$NetBSD: kern_verifiedexec.c,v 1.119 2009/12/25 22:57:54 elad Exp $	*/
 
 /*-
  * Copyright (c) 2005, 2006 Elad Efrat <e...@netbsd.org>
@@ -29,7 +29,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_verifiedexec.c,v 1.118 2009/11/07 07:27:49 cegger Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_verifiedexec.c,v 1.119 2009/12/25 22:57:54 elad Exp $");
 
 #include "opt_veriexec.h"
 
@@ -913,9 +913,12 @@
 			 * entries so we can destroy the object.
 			 */
 
-			kmem_free(vfe->filename, vfe->filename_len);
+			if (vfe->filename_len > 0)
+				kmem_free(vfe->filename, vfe->filename_len);
+
 			vfe->filename = NULL;
 			vfe->filename_len = 0;
+
 			rw_downgrade(&veriexec_op_lock);
 		}