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rtl8187: Fix locking of private data 

In rtl8187_add_interface(), the mutex that protects the data in struct
rtl8187_priv does not include all references to that structure.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Larry Finger 2009-01-23 11:30:11 -06:00 committed by John W. Linville
parent 1fac36ee7d
commit 66aafd9a31
1 changed files with 7 additions and 4 deletions
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11
drivers/net/wireless/rtl818x/rtl8187_dev.c
View File

@ -974,19 +974,21 @@ static int rtl8187_add_interface(struct ieee80211_hw *dev,
{
struct rtl8187_priv *priv = dev->priv;
int i;
int ret = -EOPNOTSUPP;
mutex_lock(&priv->conf_mutex);
if (priv->mode != NL80211_IFTYPE_MONITOR)
return -EOPNOTSUPP;
goto exit;
switch (conf->type) {
case NL80211_IFTYPE_STATION:
priv->mode = conf->type;
break;
default:
return -EOPNOTSUPP;
goto exit;
}
mutex_lock(&priv->conf_mutex);
ret = 0;
priv->vif = conf->vif;
rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_CONFIG);
@ -995,8 +997,9 @@ static int rtl8187_add_interface(struct ieee80211_hw *dev,
((u8 *)conf->mac_addr)[i]);
rtl818x_iowrite8(priv, &priv->map->EEPROM_CMD, RTL818X_EEPROM_CMD_NORMAL);
exit:
mutex_unlock(&priv->conf_mutex);
return 0;
return ret;
}
static void rtl8187_remove_interface(struct ieee80211_hw *dev,