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| author | David S. Miller <davem@davemloft.net> | 2009-02-24 03:50:29 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-02-24 03:50:29 -0800 |
| commit | e70049b9e74267dd47e1ffa62302073487afcb48 (patch) | |
| tree | 2cd000c0751ef31c9044b020d63f278cdf4f332d /drivers/net/smsc9420.c | |
| parent | d18921a0e319ab512f8186b1b1142c7b8634c779 (diff) | |
| parent | f7e603ad8f78cd3b59e33fa72707da0cbabdf699 (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
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 da8b977a535..17560dbcc7a 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); |