From c8eb969071032defb1dc493ae28cf2e2a31193a5 Mon Sep 17 00:00:00 2001
From: Brian Gix <bgix@codeaurora.org>
Date: Wed, 23 Nov 2011 08:28:35 -0800
Subject: [PATCH] Bluetooth: Cleanup blkcipher on SMP termination

The blkcipher must be freed to avoid memory leak.

Signed-off-by: Brian Gix <bgix@codeaurora.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
 net/bluetooth/smp.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 94e94ca35384..b9af4885ae53 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -379,7 +379,15 @@ static struct smp_chan *smp_chan_create(struct l2cap_conn *conn)
 
 void smp_chan_destroy(struct l2cap_conn *conn)
 {
-	kfree(conn->smp_chan);
+	struct smp_chan *smp = conn->smp_chan;
+
+	clear_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->pend);
+
+	if (smp->tfm)
+		crypto_free_blkcipher(smp->tfm);
+
+	kfree(smp);
+	conn->smp_chan = NULL;
 	hci_conn_put(conn->hcon);
 }
 
-- 
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