ptp_clock: future-proofing drivers against PTP subsystem becoming optional

[cascardo/linux.git] / drivers / net / ethernet / stmicro / stmmac / stmmac_ptp.c

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
index 170a18b..6e3b829 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ptp.c
@@ -187,7 +187,7 @@ int stmmac_ptp_register(struct stmmac_priv *priv)
        if (IS_ERR(priv->ptp_clock)) {
                priv->ptp_clock = NULL;
                pr_err("ptp_clock_register() failed on %s\n", priv->dev->name);
-       } else
+       } else if (priv->ptp_clock)
                pr_debug("Added PTP HW clock successfully on %s\n",
                         priv->dev->name);