diff --git a/sys/fs/tmpfs/tmpfs_subr.c b/sys/fs/tmpfs/tmpfs_subr.c
index a8e31a44271..c37a83810d0 100644
--- a/sys/fs/tmpfs/tmpfs_subr.c
+++ b/sys/fs/tmpfs/tmpfs_subr.c
@@ -1462,7 +1462,7 @@ tmpfs_chflags(struct vnode *vp, u_long flags, struct ucred *cred,
 	int error;
 	struct tmpfs_node *node;
 
-	MPASS(VOP_ISLOCKED(vp));
+	ASSERT_VOP_ELOCKED(vp, "chflags");
 
 	node = VP_TO_TMPFS_NODE(vp);
 
@@ -1502,9 +1502,9 @@ tmpfs_chflags(struct vnode *vp, u_long flags, struct ucred *cred,
 	node->tn_flags = flags;
 	node->tn_status |= TMPFS_NODE_CHANGED;
 
-	MPASS(VOP_ISLOCKED(vp));
+	ASSERT_VOP_ELOCKED(vp, "chflags2");
 
-	return 0;
+	return (0);
 }
 
 /*
@@ -1518,7 +1518,7 @@ tmpfs_chmod(struct vnode *vp, mode_t mode, struct ucred *cred, struct thread *p)
 	int error;
 	struct tmpfs_node *node;
 
-	MPASS(VOP_ISLOCKED(vp));
+	ASSERT_VOP_ELOCKED(vp, "chmod");
 
 	node = VP_TO_TMPFS_NODE(vp);
 
@@ -1558,9 +1558,9 @@ tmpfs_chmod(struct vnode *vp, mode_t mode, struct ucred *cred, struct thread *p)
 
 	node->tn_status |= TMPFS_NODE_CHANGED;
 
-	MPASS(VOP_ISLOCKED(vp));
+	ASSERT_VOP_ELOCKED(vp, "chmod2");
 
-	return 0;
+	return (0);
 }
 
 /*
@@ -1579,7 +1579,7 @@ tmpfs_chown(struct vnode *vp, uid_t uid, gid_t gid, struct ucred *cred,
 	uid_t ouid;
 	gid_t ogid;
 
-	MPASS(VOP_ISLOCKED(vp));
+	ASSERT_VOP_ELOCKED(vp, "chown");
 
 	node = VP_TO_TMPFS_NODE(vp);
 
@@ -1629,9 +1629,9 @@ tmpfs_chown(struct vnode *vp, uid_t uid, gid_t gid, struct ucred *cred,
 			node->tn_mode &= ~(S_ISUID | S_ISGID);
 	}
 
-	MPASS(VOP_ISLOCKED(vp));
+	ASSERT_VOP_ELOCKED(vp, "chown2");
 
-	return 0;
+	return (0);
 }
 
 /*
@@ -1646,7 +1646,7 @@ tmpfs_chsize(struct vnode *vp, u_quad_t size, struct ucred *cred,
 	int error;
 	struct tmpfs_node *node;
 
-	MPASS(VOP_ISLOCKED(vp));
+	ASSERT_VOP_ELOCKED(vp, "chsize");
 
 	node = VP_TO_TMPFS_NODE(vp);
 
@@ -1684,9 +1684,9 @@ tmpfs_chsize(struct vnode *vp, u_quad_t size, struct ucred *cred,
 	/* tmpfs_truncate will raise the NOTE_EXTEND and NOTE_ATTRIB kevents
 	 * for us, as will update tn_status; no need to do that here. */
 
-	MPASS(VOP_ISLOCKED(vp));
+	ASSERT_VOP_ELOCKED(vp, "chsize2");
 
-	return error;
+	return (error);
 }
 
 /*
@@ -1701,7 +1701,7 @@ tmpfs_chtimes(struct vnode *vp, struct vattr *vap,
 	int error;
 	struct tmpfs_node *node;
 
-	MPASS(VOP_ISLOCKED(vp));
+	ASSERT_VOP_ELOCKED(vp, "chtimes");
 
 	node = VP_TO_TMPFS_NODE(vp);
 
@@ -1730,9 +1730,9 @@ tmpfs_chtimes(struct vnode *vp, struct vattr *vap,
 
 	if (vap->va_birthtime.tv_sec != VNOVAL)
 		node->tn_birthtime = vap->va_birthtime;
-	MPASS(VOP_ISLOCKED(vp));
+	ASSERT_VOP_ELOCKED(vp, "chtimes2");
 
-	return 0;
+	return (0);
 }
 
 /* Sync timestamps */