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cfg80211: clear connect keys when freeing them

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When freeing the connect keys, clear the memory to avoid
having the key material stick around in memory "forever".

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2014-09-10 13:39:54 +03:00
parent b1e9be8775
commit b47f610bd6
5 changed files with 11 additions and 11 deletions
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6
net/wireless/sme.c
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@@ -641,7 +641,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
}
if (status != WLAN_STATUS_SUCCESS) {
kfree(wdev->connect_keys);
kzfree(wdev->connect_keys);
wdev->connect_keys = NULL;
wdev->ssid_len = 0;
if (bss) {
@@ -918,7 +918,7 @@ int cfg80211_connect(struct cfg80211_registered_device *rdev,
ASSERT_WDEV_LOCK(wdev);
if (WARN_ON(wdev->connect_keys)) {
kfree(wdev->connect_keys);
kzfree(wdev->connect_keys);
wdev->connect_keys = NULL;
}
@@ -978,7 +978,7 @@ int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
ASSERT_WDEV_LOCK(wdev);
kfree(wdev->connect_keys);
kzfree(wdev->connect_keys);
wdev->connect_keys = NULL;
if (wdev->conn)