diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/cfg80211.c')
-rw-r--r-- | drivers/net/wireless/mwifiex/cfg80211.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 015fec3..ce61b6f 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -1484,7 +1484,7 @@ struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev; if (!adapter) - return NULL; + return ERR_PTR(-EFAULT); switch (type) { case NL80211_IFTYPE_UNSPECIFIED: @@ -1494,12 +1494,12 @@ struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy, if (priv->bss_mode) { wiphy_err(wiphy, "cannot create multiple sta/adhoc ifaces\n"); - return NULL; + return ERR_PTR(-EINVAL); } wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); if (!wdev) - return NULL; + return ERR_PTR(-ENOMEM); wdev->wiphy = wiphy; priv->wdev = wdev; @@ -1522,12 +1522,12 @@ struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy, if (priv->bss_mode) { wiphy_err(wiphy, "Can't create multiple AP interfaces"); - return NULL; + return ERR_PTR(-EINVAL); } wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); if (!wdev) - return NULL; + return ERR_PTR(-ENOMEM); priv->wdev = wdev; wdev->wiphy = wiphy; @@ -1544,14 +1544,15 @@ struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy, break; default: wiphy_err(wiphy, "type not supported\n"); - return NULL; + return ERR_PTR(-EINVAL); } dev = alloc_netdev_mq(sizeof(struct mwifiex_private *), name, ether_setup, 1); if (!dev) { wiphy_err(wiphy, "no memory available for netdevice\n"); - goto error; + priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; + return ERR_PTR(-ENOMEM); } mwifiex_init_priv_params(priv, dev); @@ -1582,7 +1583,9 @@ struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy, /* Register network device */ if (register_netdevice(dev)) { wiphy_err(wiphy, "cannot register virtual network device\n"); - goto error; + free_netdev(dev); + priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; + return ERR_PTR(-EFAULT); } sema_init(&priv->async_sem, 1); @@ -1594,12 +1597,6 @@ struct net_device *mwifiex_add_virtual_intf(struct wiphy *wiphy, mwifiex_dev_debugfs_init(priv); #endif return dev; -error: - if (dev && (dev->reg_state == NETREG_UNREGISTERED)) - free_netdev(dev); - priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; - - return NULL; } EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); |