Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[linux-2.6-omap-h63xx.git] / drivers / net / smsc9420.c

diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c
index a1e4b3895b339d0a007ec07483e6039bf1d212d0..4e15ae068b3ffdfb64bb974d7f6e9080e13f3c97 100644 (file)
--- 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);