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Diffstat (limited to 'sys/vm/vnode_pager.c')
-rw-r--r--sys/vm/vnode_pager.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/vm/vnode_pager.c b/sys/vm/vnode_pager.c
index 7581086d71830..3badd6ee8e3b4 100644
--- a/sys/vm/vnode_pager.c
+++ b/sys/vm/vnode_pager.c
@@ -38,7 +38,7 @@
* SUCH DAMAGE.
*
* from: @(#)vnode_pager.c 7.5 (Berkeley) 4/20/91
- * $Id: vnode_pager.c,v 1.64 1996/09/10 05:28:23 dyson Exp $
+ * $Id: vnode_pager.c,v 1.65 1996/10/17 02:49:35 dyson Exp $
*/
/*
@@ -148,6 +148,8 @@ vnode_pager_alloc(handle, size, prot, offset)
else
object->flags = 0;
+ if (vp->v_usecount == 0)
+ panic("vnode_pager_alloc: no vnode reference");
/*
* Hold a reference to the vnode and initialize object data.
*/