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nl80211: fix memory leak if validate_pae_over_nl80211() fails 

If validate_pae_over_nl80211() were to fail in nl80211_crypto_settings(),
we might leak the 'connkeys' allocation. Fix this.

Fixes: 64bf3d4bc2 ("nl80211: Add CONTROL_PORT_OVER_NL80211 attribute")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2018-12-15 11:03:22 +02:00
parent a50e5fb8db
commit d350a0f431
1 changed files with 3 additions and 1 deletions
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4
net/wireless/nl80211.c
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@ -8930,8 +8930,10 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) {
int r = validate_pae_over_nl80211(rdev, info);
if (r < 0)
if (r < 0) {
kzfree(connkeys);
return r;
}
ibss.control_port_over_nl80211 = true;
}