1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 339b2eae2100..e33af371b169 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -3181,12 +3181,16 @@ static struct sh_eth_plat_data *sh_eth_parse_dt(struct device *dev)
         struct device_node *np = dev->of_node;
         struct sh_eth_plat_data *pdata;
         const char *mac_addr;
+        int ret;
 
         pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
         if (!pdata)
                 return NULL;
 
-        pdata->phy_interface = of_get_phy_mode(np);
+        ret = of_get_phy_mode(np);
+        if (ret < 0)
+                return NULL;
+        pdata->phy_interface = ret;
 
         mac_addr = of_get_mac_address(np);
         if (mac_addr)