D24022.id69384.diff
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D24022.id69384.diff
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	Index: kern/vfs_mount.c
	===================================================================
	--- kern/vfs_mount.c
	+++ kern/vfs_mount.c
	@@ -900,7 +900,7 @@
	{
	struct vattr va;
	struct mount *mp;
	- struct vnode *newdp;
	+ struct vnode newdp, rootvp;
	int error, error1;

	ASSERT_VOP_ELOCKED(vp, __func__);
	@@ -967,6 +967,9 @@
	(error1 = VFS_ROOT(mp, LK_EXCLUSIVE, &newdp)) != 0) {
	if (error1 != 0) {
	error = error1;
	+ rootvp = vfs_cache_root_clear(mp);
	+ if (rootvp != NULL)
	+ vrele(rootvp);
	if ((error1 = VFS_UNMOUNT(mp, 0)) != 0)
	printf("VFS_UNMOUNT returned %d\n", error1);
	}