diff --git a/net/core/dst.c b/net/core/dst.c
index b5cbbe0..99184ba 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -441,8 +441,12 @@ static void dst_ifdown(struct dst_entry *dst, struct net_device *dev,
 		dst->input = dst_discard;
 		dst->output = dst_discard_out;
 	} else {
-		dst->dev = dev_net(dst->dev)->loopback_dev;
-		dev_hold(dst->dev);
+		if (dst->dev != dev_net(dst->dev)->loopback_dev) {
+			dst->dev = dev_net(dst->dev)->loopback_dev;
+			dev_hold(dst->dev);
+		} else {
+			dst->dev = NULL;
+		}
 		dev_put(dev);
 	}
 }