@@ -2000,16 +2000,13 @@ void xfrm_state_delete_tunnel(struct xfrm_state *x)
int xfrm_state_mtu(struct xfrm_state *x, int mtu)
{
- int res;
+ const struct xfrm_type *type = READ_ONCE(x->type);
- spin_lock_bh(&x->lock);
if (x->km.state == XFRM_STATE_VALID &&
- x->type && x->type->get_mtu)
- res = x->type->get_mtu(x, mtu);
- else
- res = mtu - x->props.header_len;
- spin_unlock_bh(&x->lock);
- return res;
+ type && type->get_mtu)
+ return type->get_mtu(x, mtu);
+
+ return mtu - x->props.header_len;
}
int __xfrm_init_state(struct xfrm_state *x, bool init_replay)