diff options
Diffstat (limited to 'net/wireless/core.c')
| -rw-r--r-- | net/wireless/core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index a6f3cac8c640..48e8097339ab 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -95,6 +95,9 @@ static int cfg80211_dev_check_name(struct cfg80211_registered_device *rdev, ASSERT_RTNL(); + if (strlen(newname) > NL80211_WIPHY_NAME_MAXLEN) + return -EINVAL; + /* prohibit calling the thing phy%d when %d is not its number */ sscanf(newname, PHY_NAME "%d%n", &wiphy_idx, &taken); if (taken == strlen(newname) && wiphy_idx != rdev->wiphy_idx) { @@ -722,6 +725,10 @@ int wiphy_register(struct wiphy *wiphy) (!rdev->ops->set_pmk || !rdev->ops->del_pmk))) return -EINVAL; + if (WARN_ON(!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && + rdev->ops->update_connect_params)) + return -EINVAL; + if (wiphy->addresses) memcpy(wiphy->perm_addr, wiphy->addresses[0].addr, ETH_ALEN); @@ -1005,6 +1012,7 @@ void cfg80211_unregister_wdev(struct wireless_dev *wdev) nl80211_notify_iface(rdev, wdev, NL80211_CMD_DEL_INTERFACE); list_del_rcu(&wdev->list); + synchronize_rcu(); rdev->devlist_generation++; switch (wdev->iftype) { |