PERFORCE change 163591 for review

[Marko Zec]

http://perforce.freebsd.org/chv.cgi?CH=163591

Change 163591 by zec at zec_tpx32 on 2009/06/05 17:49:07

	vi_if_move() may be called with vi_req set to NULL, if called
	from vi_destroy(), hence check whether vi_req is non-NULL before
	attempting to dereference it.

Affected files ...

.. //depot/projects/vimage-commit2/src/sys/kern/kern_vimage.c#53 edit

Differences ...

==== //depot/projects/vimage-commit2/src/sys/kern/kern_vimage.c#53 (text+ko) ====

@@ -122,7 +122,7 @@
 	struct vnet *new_vnet = NULL;
 
 	/* Check for API / ABI version mismatch. */
-	if (vi_req->vi_api_cookie != VI_API_COOKIE)
+	if (vi_req != NULL && vi_req->vi_api_cookie != VI_API_COOKIE)
 		return (EDOOFUS);
 
 	/* Find the target vnet. */