diff options
| author | James Morris <jmorris@namei.org> | 2009-03-23 23:52:46 (GMT) |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2009-03-23 23:52:46 (GMT) |
| commit | 703a3cd72817e99201cef84a8a7aecc60b2b3581 (patch) | |
| tree | 3e943755178ff410694722bb031f523136fbc432 /drivers/net/smsc9420.c | |
| parent | df7f54c012b92ec93d56b68547351dcdf8a163d3 (diff) | |
| parent | 8e0ee43bc2c3e19db56a4adaa9a9b04ce885cd84 (diff) | |
| download | linux-fsl-qoriq-703a3cd72817e99201cef84a8a7aecc60b2b3581.tar.xz | |
Merge branch 'master' into next
Diffstat (limited to 'drivers/net/smsc9420.c')
| -rw-r--r-- | drivers/net/smsc9420.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c index a1e4b38..4e15ae0 100644 --- a/drivers/net/smsc9420.c +++ b/drivers/net/smsc9420.c @@ -341,7 +341,7 @@ static int smsc9420_eeprom_send_cmd(struct smsc9420_pdata *pd, u32 op) do { msleep(1); e2cmd = smsc9420_reg_read(pd, E2P_CMD); - } while ((e2cmd & E2P_CMD_EPC_BUSY_) && (timeout--)); + } while ((e2cmd & E2P_CMD_EPC_BUSY_) && (--timeout)); if (!timeout) { smsc_info(HW, "TIMED OUT"); @@ -413,6 +413,7 @@ static int smsc9420_ethtool_get_eeprom(struct net_device *dev, } memcpy(data, &eeprom_data[eeprom->offset], len); + eeprom->magic = SMSC9420_EEPROM_MAGIC; eeprom->len = len; return 0; } @@ -423,6 +424,9 @@ static int smsc9420_ethtool_set_eeprom(struct net_device *dev, struct smsc9420_pdata *pd = netdev_priv(dev); int ret; + if (eeprom->magic != SMSC9420_EEPROM_MAGIC) + return -EINVAL; + smsc9420_eeprom_enable_access(pd); smsc9420_eeprom_send_cmd(pd, E2P_CMD_EPC_CMD_EWEN_); ret = smsc9420_eeprom_write_location(pd, eeprom->offset, *data); |