From 822d3c835515a6e1d6b56ae89bfb042147973ea7 Mon Sep 17 00:00:00 2001
From: jeff <jeff@FreeBSD.org>
Date: Mon, 30 Jan 2006 08:19:01 +0000
Subject:  - Lock access to vrele() with VFS_LOCK_GIANT() rather than
 mtx_lock(&Giant).

Sponsored by:	Isilon Systems, Inc.
---
 sys/kern/kern_ktrace.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'sys/kern/kern_ktrace.c')

diff --git a/sys/kern/kern_ktrace.c b/sys/kern/kern_ktrace.c
index fbb0b0d..7f42f67 100644
--- a/sys/kern/kern_ktrace.c
+++ b/sys/kern/kern_ktrace.c
@@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/mutex.h>
 #include <sys/mac.h>
 #include <sys/malloc.h>
+#include <sys/mount.h>
 #include <sys/namei.h>
 #include <sys/proc.h>
 #include <sys/unistd.h>
@@ -830,9 +831,11 @@ ktrops(td, p, ops, facs, vp)
 	mtx_unlock(&ktrace_mtx);
 	PROC_UNLOCK(p);
 	if (tracevp != NULL) {
-		mtx_lock(&Giant);
+		int vfslocked;
+
+		vfslocked = VFS_LOCK_GIANT(tracevp->v_mount);
 		vrele(tracevp);
-		mtx_unlock(&Giant);
+		VFS_UNLOCK_GIANT(vfslocked);
 	}
 	if (tracecred != NULL)
 		crfree(tracecred);
-- 
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