DragonFlyBSD

diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c

index 53cf1bf..eec6025 100644

--- a/sys/kern/vfs_syscalls.c

+++ b/sys/kern/vfs_syscalls.c

@@ -663,11 +663,12 @@ dounmount(struct mount *mp, int flags)

int lflags;

int freeok = 1;

+ lwkt_gettoken(&mntvnode_token);

/*

* Exclusive access for unmounting purposes

*/

if ((error = mountlist_interlock(dounmount_interlock, mp)) != 0)

- return (error);

+ goto out;

/*

* Allow filesystems to detect that a forced unmount is in progress.

@@ -680,7 +681,7 @@ dounmount(struct mount *mp, int flags)

mp->mnt_kern_flag &= ~(MNTK_UNMOUNT | MNTK_UNMOUNTF);

if (mp->mnt_kern_flag & MNTK_MWAIT)

wakeup(mp);

- return (error);

+ goto out;

}

if (mp->mnt_flag & MNT_EXPUBLIC)

@@ -768,7 +769,7 @@ dounmount(struct mount *mp, int flags)

lockmgr(&mp->mnt_lock, LK_RELEASE);

if (mp->mnt_kern_flag & MNTK_MWAIT)

wakeup(mp);

- return (error);

+ goto out;

}

/*

* Clean up any journals still associated with the mount after

@@ -810,7 +811,10 @@ dounmount(struct mount *mp, int flags)

wakeup(mp);

if (freeok)

kfree(mp, M_MOUNT);

- return (0);

+ error = 0;

+out:

+ lwkt_reltoken(&mntvnode_token);

+ return (error);

}

static