[PATCH-v4 6/9] Bluetooth: Cleanup blkcipher on SMP termination
From: Brian Gix <hidden>
Date: 2011-11-16 21:53:17
Subsystem:
bluetooth subsystem, the rest · Maintainers:
Marcel Holtmann, Luiz Augusto von Dentz, Linus Torvalds
The blkcipher must be freed to avoid memory leak. Signed-off-by: Brian Gix <redacted> --- net/bluetooth/smp.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 94e94ca..3b3726a 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c@@ -379,7 +379,13 @@ 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; + + if (smp && !IS_ERR(smp->tfm)) + crypto_free_blkcipher(smp->tfm); + + kfree(smp); + conn->smp_chan = NULL; hci_conn_put(conn->hcon); }
--
1.7.7.2
--
Brian Gix
bgix@codeaurora.org
Employee of Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum