diff --git a/net/ethtool/phy.c b/net/ethtool/phy.c
index 560dd039c6625ac0925a0f28c14ce77cf768b6a5..7662de03b9e180b2f87c2ea406c41093d6476183 100644
--- a/net/ethtool/phy.c
+++ b/net/ethtool/phy.c
@@ -234,8 +234,10 @@ int ethnl_phy_done(struct netlink_callback *cb)
 {
        struct ethnl_phy_dump_ctx *ctx = (void *)cb->ctx;
 
-       if (ctx->phy_req_info->base.dev)
+       if (ctx->phy_req_info->base.dev) {
                ethnl_parse_header_dev_put(&ctx->phy_req_info->base);
+               ctx->phy_req_info->base.dev = NULL;
+       }
 
        kfree(ctx->phy_req_info);