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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
Download Patch File Download Diff File Expand all files Collapse all files

8
net/wireless/nl80211.c
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@@ -6866,7 +6866,7 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys);
if (err)
kfree(connkeys);
kzfree(connkeys);
return err;
}
@@ -7235,7 +7235,7 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) {
kfree(connkeys);
kzfree(connkeys);
return -EINVAL;
}
memcpy(&connect.ht_capa,
@@ -7253,7 +7253,7 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) {
if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) {
kfree(connkeys);
kzfree(connkeys);
return -EINVAL;
}
memcpy(&connect.vht_capa,
@@ -7273,7 +7273,7 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
err = cfg80211_connect(rdev, dev, &connect, connkeys, NULL);
wdev_unlock(dev->ieee80211_ptr);
if (err)
kfree(connkeys);
kzfree(connkeys);
return err;
}