From 415ad1efae1d5fe00d739e612d262eabda90f5e8 Mon Sep 17 00:00:00 2001 From: David Kilroy Date: Wed, 19 Aug 2009 00:43:31 +0100 Subject: [PATCH] cfg80211: fix leaks of wdev->conn->ie This only occurs in the following error situations: - driver calls connect_result with failure - error scheduling authentication on connect - error initiating scan (to get BSSID and channel) on connect - userspace calls disconnect while in the SCANNING or SCAN_AGAIN states Signed-off-by: David Kilroy Reviewed-by: Johannes Berg Signed-off-by: John W. Linville --- net/wireless/sme.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 6fb6a704ca40..9ddc00e3c239 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -395,6 +395,8 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, if (status != WLAN_STATUS_SUCCESS) { wdev->sme_state = CFG80211_SME_IDLE; + if (wdev->conn) + kfree(wdev->conn->ie); kfree(wdev->conn); wdev->conn = NULL; kfree(wdev->connect_keys); @@ -779,6 +781,7 @@ int __cfg80211_connect(struct cfg80211_registered_device *rdev, } } if (err) { + kfree(wdev->conn->ie); kfree(wdev->conn); wdev->conn = NULL; wdev->sme_state = CFG80211_SME_IDLE; @@ -848,6 +851,7 @@ int __cfg80211_disconnect(struct cfg80211_registered_device *rdev, (wdev->conn->state == CFG80211_CONN_SCANNING || wdev->conn->state == CFG80211_CONN_SCAN_AGAIN)) { wdev->sme_state = CFG80211_SME_IDLE; + kfree(wdev->conn->ie); kfree(wdev->conn); wdev->conn = NULL; wdev->ssid_len = 0;