From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
Now that LTKs are always looked up based on bdaddr (with EDiv/Rand
checks done after a successful lookup) the hci_find_ltk function is not
needed anymore. This patch removes the function.
Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
---
include/net/bluetooth/hci_core.h | 2 --
net/bluetooth/hci_core.c | 28 ----------------------------
2 files changed, 30 deletions(-)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 7f08ea36d246..b41969b561d8 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -921,8 +921,6 @@ struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
struct link_key *hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn,
bdaddr_t *bdaddr, u8 *val, u8 type,
u8 pin_len, bool *persistent);
-struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, __le64 rand,
- u8 role);
struct smp_ltk *hci_add_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr,
u8 addr_type, u8 type, u8 authenticated,
u8 tk[16], u8 enc_size, __le16 ediv, __le64 rand);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index e091e8ffeb8e..cb9bc8e2c58d 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -3185,34 +3185,6 @@ static u8 ltk_role(u8 type)
return HCI_ROLE_SLAVE;
}
-struct smp_ltk *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, __le64 rand,
- u8 role)
-{
- struct smp_ltk *k;
-
- rcu_read_lock();
- list_for_each_entry_rcu(k, &hdev->long_term_keys, list) {
- if (k->ediv != ediv || k->rand != rand)
- continue;
-
- if (smp_ltk_is_sc(k)) {
- if (k->type == SMP_LTK_P256_DEBUG &&
- !test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags))
- continue;
- rcu_read_unlock();
- return k;
- }
-
- if (ltk_role(k->type) == role) {
- rcu_read_unlock();
- return k;
- }
- }
- rcu_read_unlock();
-
- return NULL;
-}
-
struct smp_ltk *hci_find_ltk_by_addr(struct hci_dev *hdev, bdaddr_t *bdaddr,
u8 addr_type, u8 role)
{
--
2.1.0
--
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