From f8abf4a1e4ce7cd942f7be4d6829d15ddbbdfc71 Mon Sep 17 00:00:00 2001
From: Andriy Gapon <avg@FreeBSD.org>
Date: Sun, 4 Nov 2012 14:27:31 +0000
Subject: [PATCH] opensolaris compat: clear VI_MOUNT before returning if
 mount_snapshot fails

To do: investigate if it would be possible to use normal vfs_domount here.

Reviewed by:	kib
MFC after:	19 days
---
 sys/cddl/compat/opensolaris/kern/opensolaris_vfs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sys/cddl/compat/opensolaris/kern/opensolaris_vfs.c b/sys/cddl/compat/opensolaris/kern/opensolaris_vfs.c
index a266eca013af..a2532f80222e 100644
--- a/sys/cddl/compat/opensolaris/kern/opensolaris_vfs.c
+++ b/sys/cddl/compat/opensolaris/kern/opensolaris_vfs.c
@@ -191,6 +191,9 @@ mount_snapshot(kthread_t *td, vnode_t **vpp, const char *fstype, char *fspath,
 	td->td_ucred = cr;
 
 	if (error != 0) {
+		VI_LOCK(vp);
+		vp->v_iflag &= ~VI_MOUNT;
+		VI_UNLOCK(vp);
 		vrele(vp);
 		vfs_unbusy(mp);
 		vfs_mount_destroy(mp);