diff options
Diffstat (limited to 'drivers/net/ibm_emac/ibm_emac_phy.c')
| -rw-r--r-- | drivers/net/ibm_emac/ibm_emac_phy.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ibm_emac/ibm_emac_phy.c b/drivers/net/ibm_emac/ibm_emac_phy.c index 4a97024..9074f76 100644 --- a/drivers/net/ibm_emac/ibm_emac_phy.c +++ b/drivers/net/ibm_emac/ibm_emac_phy.c @@ -309,7 +309,7 @@ int mii_phy_probe(struct mii_phy *phy, int address) { struct mii_phy_def *def; int i; - u32 id; + int id; phy->autoneg = AUTONEG_DISABLE; phy->advertising = 0; @@ -324,6 +324,8 @@ int mii_phy_probe(struct mii_phy *phy, int address) /* Read ID and find matching entry */ id = (phy_read(phy, MII_PHYSID1) << 16) | phy_read(phy, MII_PHYSID2); + if (id < 0) + return -ENODEV; for (i = 0; (def = mii_phy_table[i]) != NULL; i++) if ((id & def->phy_id_mask) == def->phy_id) break; |