From 4d0733e0f8bd37f600ca86b0f1323a24ed9c7fae Mon Sep 17 00:00:00 2001
From: kib <kib@FreeBSD.org>
Date: Tue, 8 Mar 2011 11:50:59 +0000
Subject: [PATCH] Do not assert buffer lock in VFS_STRATEGY() when kernel
 already paniced.

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
---
 sys/kern/vfs_subr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index f4f2215a9f8f..e8bf63f05615 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -3894,7 +3894,7 @@ vop_strategy_pre(void *ap)
 	if ((bp->b_flags & B_CLUSTER) != 0)
 		return;
 
-	if (!BUF_ISLOCKED(bp)) {
+	if (panicstr == NULL && !BUF_ISLOCKED(bp)) {
 		if (vfs_badlock_print)
 			printf(
 			    "VOP_STRATEGY: bp is not locked but should be\n");