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Bluetooth: Make smp_chan_destroy() private to smp.c

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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@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-08-11 22:06:44 +03:00 • committed by Marcel Holtmann
parent 86d1407cb9
commit 6f48e260a9
2 changed files with 50 additions and 52 deletions
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100
net/bluetooth/smp.c
View file

@ -366,6 +366,56 @@ static u8 check_enc_key_size(struct l2cap_conn *conn, __u8 max_key_size)
return 0; 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) static void smp_failure(struct l2cap_conn *conn, u8 reason)
{ {
struct hci_conn *hcon = conn->hcon; struct hci_conn *hcon = conn->hcon;
@ -812,56 +862,6 @@ static struct smp_chan *smp_chan_create(struct l2cap_conn *conn)
return smp; 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) int smp_user_confirm_reply(struct hci_conn *hcon, u16 mgmt_op, __le32 passkey)
{ {
struct l2cap_conn *conn = hcon->l2cap_data; struct l2cap_conn *conn = hcon->l2cap_data;

2
net/bluetooth/smp.h
View file

@ -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_conn_security(struct hci_conn *hcon, __u8 sec_level);
int smp_user_confirm_reply(struct hci_conn *conn, u16 mgmt_op, __le32 passkey); 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); 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); int smp_generate_rpa(struct hci_dev *hdev, u8 irk[16], bdaddr_t *rpa);