From 36b907893d26414fd8678bc80442b79ad2de3b9c Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sat, 20 Sep 2008 19:56:02 +0000
Subject: [PATCH] Allow the d_mmap driver methods to use cdevpriv KPI during
 verification phase of establishing mapping.

Discussed with:	rwatson, jhb, rnoland
Tested by:	rnoland
MFC after:	3 days
---
 sys/vm/vm_mmap.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/vm/vm_mmap.c b/sys/vm/vm_mmap.c
index 7e6b04f8d0dc..c3f08b017bc1 100644
--- a/sys/vm/vm_mmap.c
+++ b/sys/vm/vm_mmap.c
@@ -391,8 +391,10 @@ map:
 		goto done;
 	}
 
+	td->td_fpop = fp;
 	error = vm_mmap(&vms->vm_map, &addr, size, prot, maxprot,
 	    flags, handle_type, handle, pos);
+	td->td_fpop = NULL;
 #ifdef HWPMC_HOOKS
 	/* inform hwpmc(4) if an executable is being mapped */
 	if (error == 0 && handle_type == OBJT_VNODE &&