1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index c51bfc57d405..077d796ccb70 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -799,7 +799,7 @@ static int sh_eth_phy_init(struct net_device *ndev)
         char phy_id[BUS_ID_SIZE];
         struct phy_device *phydev = NULL;
 
-        snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT,
+        snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT,
                 mdp->mii_bus->id , mdp->phy_id);
 
         mdp->link = PHY_DOWN;