From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
It's a very common test to see if both the local and the remote device
have SSP enabled. By creating a simple function to test this we can
shorten many if-statements in the code.
Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
---
include/net/bluetooth/hci_core.h | 7 +++++++
net/bluetooth/hci_conn.c | 8 ++------
net/bluetooth/hci_event.c | 9 +++------
3 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 5f6cb35..f2ccdae 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -411,6 +411,13 @@ enum {
HCI_CONN_REMOTE_OOB,
};
+static inline bool hci_conn_ssp_support(struct hci_conn *conn)
+{
+ struct hci_dev *hdev = conn->hdev;
+ return (hdev->ssp_mode > 0 &&
+ test_bit(HCI_CONN_SSP_SUPPORT, &conn->flags));
+}
+
static inline void hci_conn_hash_init(struct hci_dev *hdev)
{
struct hci_conn_hash *h = &hdev->conn_hash;
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 566254f..c1fc6a9 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -608,9 +608,7 @@ int hci_conn_check_link_mode(struct hci_conn *conn)
{
BT_DBG("conn %p", conn);
- if (test_bit(HCI_CONN_SSP_SUPPORT, &conn->flags) &&
- conn->hdev->ssp_mode > 0 &&
- !(conn->link_mode & HCI_LM_ENCRYPT))
+ if (hci_conn_ssp_support(conn) && !(conn->link_mode & HCI_LM_ENCRYPT))
return 0;
return 1;
@@ -672,9 +670,7 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
/* For non 2.1 devices and low security level we don't need the link
key. */
- if (sec_level == BT_SECURITY_LOW &&
- (!test_bit(HCI_CONN_SSP_SUPPORT, &conn->flags) ||
- !conn->hdev->ssp_mode))
+ if (sec_level == BT_SECURITY_LOW && !hci_conn_ssp_support(conn))
return 1;
/* For other security levels we need the link key. */
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index e592ddc..aee417c 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1264,8 +1264,7 @@ static int hci_outgoing_auth_needed(struct hci_dev *hdev,
/* Only request authentication for SSP connections or non-SSP
* devices with sec_level HIGH or if MITM protection is requested */
- if (!(hdev->ssp_mode > 0 &&
- test_bit(HCI_CONN_SSP_SUPPORT, &conn->flags)) &&
+ if (!hci_conn_ssp_support(conn) &&
conn->pending_sec_level != BT_SECURITY_HIGH &&
!(conn->auth_type & 0x01))
return 0;
@@ -1817,8 +1816,7 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s
goto unlock;
if (!ev->status) {
- if (!(test_bit(HCI_CONN_SSP_SUPPORT, &conn->flags) &&
- hdev->ssp_mode > 0) &&
+ if (!hci_conn_ssp_support(conn) &&
test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
BT_INFO("re-auth of legacy device is not possible.");
} else {
@@ -1833,8 +1831,7 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s
clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
if (conn->state == BT_CONFIG) {
- if (!ev->status && hdev->ssp_mode > 0 &&
- test_bit(HCI_CONN_SSP_SUPPORT, &conn->flags)) {
+ if (!ev->status && hci_conn_ssp_support(conn)) {
struct hci_cp_set_conn_encrypt cp;
cp.handle = ev->handle;
cp.encrypt = 0x01;
--
1.7.8.3
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
