1 files changed, 4 insertions, 0 deletions

diff --git a/sys/nfsclient/nfs_node.c b/sys/nfsclient/nfs_node.c
index 522bc445c19c..947beed82675 100644
--- a/sys/nfsclient/nfs_node.c
+++ b/sys/nfsclient/nfs_node.c
@@ -193,12 +193,14 @@ nfs_inactive(struct vop_inactive_args *ap)
 	np = VTONFS(ap->a_vp);
 	if (prtactive && vrefcnt(ap->a_vp) != 0)
 		vprint("nfs_inactive: pushing active", ap->a_vp);
+	mtx_lock(&np->n_mtx);
 	if (ap->a_vp->v_type != VDIR) {
 		sp = np->n_sillyrename;
 		np->n_sillyrename = NULL;
 	} else
 		sp = NULL;
 	if (sp) {
+		mtx_unlock(&np->n_mtx);
 		(void)nfs_vinvalbuf(ap->a_vp, 0, td, 1);
 		/*
 		 * Remove the silly file that was rename'd earlier
@@ -207,8 +209,10 @@ nfs_inactive(struct vop_inactive_args *ap)
 		crfree(sp->s_cred);
 		vrele(sp->s_dvp);
 		free((caddr_t)sp, M_NFSREQ);
+		mtx_lock(&np->n_mtx);
 	}
 	np->n_flag &= NMODIFIED;
+	mtx_unlock(&np->n_mtx);
 	return (0);
 }