From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
There are no external users of smp_chan_destroy() so make it private to
smp.c. The patch also moves the function higher up in the c-file in
order to avoid forward declarations.
Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
---
net/bluetooth/smp.c | 100 ++++++++++++++++++++++++++--------------------------
net/bluetooth/smp.h | 2 --
2 files changed, 50 insertions(+), 52 deletions(-)
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 312ea5ec2d7d..07ca4ce0943b 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -366,6 +366,56 @@ static u8 check_enc_key_size(struct l2cap_conn *conn, __u8 max_key_size)
return 0;
}
+static void smp_chan_destroy(struct l2cap_conn *conn)
+{
+ struct l2cap_chan *chan = conn->smp;
+ struct smp_chan *smp = chan->data;
+ bool complete;
+
+ BUG_ON(!smp);
+
+ cancel_delayed_work_sync(&smp->security_timer);
+ /* In case the timeout freed the SMP context */
+ if (!chan->data)
+ return;
+
+ if (work_pending(&smp->distribute_work)) {
+ cancel_work_sync(&smp->distribute_work);
+ if (!chan->data)
+ return;
+ }
+
+ complete = test_bit(SMP_FLAG_COMPLETE, &smp->flags);
+ mgmt_smp_complete(conn->hcon, complete);
+
+ kfree(smp->csrk);
+ kfree(smp->slave_csrk);
+
+ crypto_free_blkcipher(smp->tfm_aes);
+
+ /* If pairing failed clean up any keys we might have */
+ if (!complete) {
+ if (smp->ltk) {
+ list_del(&smp->ltk->list);
+ kfree(smp->ltk);
+ }
+
+ if (smp->slave_ltk) {
+ list_del(&smp->slave_ltk->list);
+ kfree(smp->slave_ltk);
+ }
+
+ if (smp->remote_irk) {
+ list_del(&smp->remote_irk->list);
+ kfree(smp->remote_irk);
+ }
+ }
+
+ chan->data = NULL;
+ kfree(smp);
+ hci_conn_drop(conn->hcon);
+}
+
static void smp_failure(struct l2cap_conn *conn, u8 reason)
{
struct hci_conn *hcon = conn->hcon;
@@ -812,56 +862,6 @@ static struct smp_chan *smp_chan_create(struct l2cap_conn *conn)
return smp;
}
-void smp_chan_destroy(struct l2cap_conn *conn)
-{
- struct l2cap_chan *chan = conn->smp;
- struct smp_chan *smp = chan->data;
- bool complete;
-
- BUG_ON(!smp);
-
- cancel_delayed_work_sync(&smp->security_timer);
- /* In case the timeout freed the SMP context */
- if (!chan->data)
- return;
-
- if (work_pending(&smp->distribute_work)) {
- cancel_work_sync(&smp->distribute_work);
- if (!chan->data)
- return;
- }
-
- complete = test_bit(SMP_FLAG_COMPLETE, &smp->flags);
- mgmt_smp_complete(conn->hcon, complete);
-
- kfree(smp->csrk);
- kfree(smp->slave_csrk);
-
- crypto_free_blkcipher(smp->tfm_aes);
-
- /* If pairing failed clean up any keys we might have */
- if (!complete) {
- if (smp->ltk) {
- list_del(&smp->ltk->list);
- kfree(smp->ltk);
- }
-
- if (smp->slave_ltk) {
- list_del(&smp->slave_ltk->list);
- kfree(smp->slave_ltk);
- }
-
- if (smp->remote_irk) {
- list_del(&smp->remote_irk->list);
- kfree(smp->remote_irk);
- }
- }
-
- chan->data = NULL;
- kfree(smp);
- hci_conn_drop(conn->hcon);
-}
-
int smp_user_confirm_reply(struct hci_conn *hcon, u16 mgmt_op, __le32 passkey)
{
struct l2cap_conn *conn = hcon->l2cap_data;
diff --git a/net/bluetooth/smp.h b/net/bluetooth/smp.h
index 59a594278a85..cf1094617c69 100644
--- a/net/bluetooth/smp.h
+++ b/net/bluetooth/smp.h
@@ -128,8 +128,6 @@ bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level);
int smp_conn_security(struct hci_conn *hcon, __u8 sec_level);
int smp_user_confirm_reply(struct hci_conn *conn, u16 mgmt_op, __le32 passkey);
-void smp_chan_destroy(struct l2cap_conn *conn);
-
bool smp_irk_matches(struct hci_dev *hdev, u8 irk[16], bdaddr_t *bdaddr);
int smp_generate_rpa(struct hci_dev *hdev, u8 irk[16], bdaddr_t *rpa);
--
1.9.3
--
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