summaryrefslogtreecommitdiff
path: root/sys/fs
diff options
context:
space:
mode:
authorhannken <hannken@NetBSD.org>2022-04-16 07:58:21 +0000
committerhannken <hannken@NetBSD.org>2022-04-16 07:58:21 +0000
commitc68160fffdcc87d66b15e7a6f253eed36308a6f0 (patch)
treec54a1939af9c05337b53972703ce26793ef07d35 /sys/fs
parent7e86e8d8305dfc45996089be8073feb313827e6a (diff)
Lock vnode for vinvalbuf().
Diffstat (limited to 'sys/fs')
-rw-r--r--sys/fs/msdosfs/msdosfs_vfsops.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/sys/fs/msdosfs/msdosfs_vfsops.c b/sys/fs/msdosfs/msdosfs_vfsops.c
index b5ea8627211..b760383903e 100644
--- a/sys/fs/msdosfs/msdosfs_vfsops.c
+++ b/sys/fs/msdosfs/msdosfs_vfsops.c
@@ -1,4 +1,4 @@
-/* $NetBSD: msdosfs_vfsops.c,v 1.137 2021/10/23 16:58:17 thorpej Exp $ */
+/* $NetBSD: msdosfs_vfsops.c,v 1.138 2022/04/16 07:58:21 hannken Exp $ */
/*-
* Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -48,7 +48,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_vfsops.c,v 1.137 2021/10/23 16:58:17 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_vfsops.c,v 1.138 2022/04/16 07:58:21 hannken Exp $");
#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd.h"
@@ -472,7 +472,10 @@ msdosfs_mountfs(struct vnode *devvp, struct mount *mp, struct lwp *l, struct msd
u_long fatbytes, fatblocksecs;
/* Flush out any old buffers remaining from a previous use. */
- if ((error = vinvalbuf(devvp, V_SAVE, l->l_cred, l, 0, 0)) != 0)
+ vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);
+ error = vinvalbuf(devvp, V_SAVE, l->l_cred, l, 0, 0);
+ VOP_UNLOCK(devvp);
+ if (error)
return (error);
ronly = (mp->mnt_flag & MNT_RDONLY) != 0;