1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c
index 7b53d658e337..888b7dec9866 100644
--- a/drivers/net/sb1250-mac.c
+++ b/drivers/net/sb1250-mac.c
@@ -2374,7 +2374,7 @@ static int sbmac_init(struct platform_device *pldev, long long base)
                dev->name, base, print_mac(mac, eaddr));
 
         sc->mii_bus.name = sbmac_mdio_string;
-        sc->mii_bus.id = idx;
+        snprintf(sc->mii_bus.id, MII_BUS_ID_SIZE, "%x", idx);
         sc->mii_bus.priv = sc;
         sc->mii_bus.read = sbmac_mii_read;
         sc->mii_bus.write = sbmac_mii_write;