1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index af305c0b34d1..cfb4198b6776 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -202,7 +202,7 @@ struct cpmac_priv {
         void __iomem *regs;
         struct mii_bus *mii_bus;
         struct phy_device *phy;
-        char phy_name[BUS_ID_SIZE];
+        char phy_name[MII_BUS_ID_SIZE + 3];
         int oldlink, oldspeed, oldduplex;
         u32 msg_enable;
         struct net_device *dev;