diff options
Diffstat (limited to 'sys/fs/nullfs')
| -rw-r--r-- | sys/fs/nullfs/null_vnops.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/fs/nullfs/null_vnops.c b/sys/fs/nullfs/null_vnops.c index 3ab3a6f..fe4b740 100644 --- a/sys/fs/nullfs/null_vnops.c +++ b/sys/fs/nullfs/null_vnops.c @@ -627,12 +627,18 @@ null_reclaim(struct vop_reclaim_args *ap) struct vnode *lowervp = xp->null_lowervp; struct lock *vnlock; + /* + * Use the interlock to protect the clearing of v_data to + * prevent faults in null_lock(). + */ + VI_LOCK(vp); + vp->v_data = NULL; + VI_UNLOCK(vp); if (lowervp) { null_hashrem(xp); vrele(lowervp); } - vp->v_data = NULL; vp->v_object = NULL; vnlock = vp->v_vnlock; vp->v_vnlock = &vp->v_lock; |
