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Diffstat (limited to 'net/bluetooth/hci_sync.c')
-rw-r--r--net/bluetooth/hci_sync.c84
1 files changed, 34 insertions, 50 deletions
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index 5e4ec698e6e3..4f736ff4cda2 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -1235,31 +1235,27 @@ int hci_setup_ext_adv_instance_sync(struct hci_dev *hdev, u8 instance)
static int hci_set_ext_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance)
{
- struct {
- struct hci_cp_le_set_ext_scan_rsp_data cp;
- u8 data[HCI_MAX_EXT_AD_LENGTH];
- } pdu;
+ DEFINE_FLEX(struct hci_cp_le_set_ext_scan_rsp_data, pdu, data, length,
+ HCI_MAX_EXT_AD_LENGTH);
u8 len;
struct adv_info *adv = NULL;
int err;
- memset(&pdu, 0, sizeof(pdu));
-
if (instance) {
adv = hci_find_adv_instance(hdev, instance);
if (!adv || !adv->scan_rsp_changed)
return 0;
}
- len = eir_create_scan_rsp(hdev, instance, pdu.data);
+ len = eir_create_scan_rsp(hdev, instance, pdu->data);
- pdu.cp.handle = instance;
- pdu.cp.length = len;
- pdu.cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
- pdu.cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
+ pdu->handle = instance;
+ pdu->length = len;
+ pdu->operation = LE_SET_ADV_DATA_OP_COMPLETE;
+ pdu->frag_pref = LE_SET_ADV_DATA_NO_FRAG;
err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_SCAN_RSP_DATA,
- sizeof(pdu.cp) + len, &pdu.cp,
+ struct_size(pdu, data, len), pdu,
HCI_CMD_TIMEOUT);
if (err)
return err;
@@ -1267,7 +1263,7 @@ static int hci_set_ext_scan_rsp_data_sync(struct hci_dev *hdev, u8 instance)
if (adv) {
adv->scan_rsp_changed = false;
} else {
- memcpy(hdev->scan_rsp_data, pdu.data, len);
+ memcpy(hdev->scan_rsp_data, pdu->data, len);
hdev->scan_rsp_data_len = len;
}
@@ -1411,14 +1407,10 @@ static int hci_set_per_adv_params_sync(struct hci_dev *hdev, u8 instance,
static int hci_set_per_adv_data_sync(struct hci_dev *hdev, u8 instance)
{
- struct {
- struct hci_cp_le_set_per_adv_data cp;
- u8 data[HCI_MAX_PER_AD_LENGTH];
- } pdu;
+ DEFINE_FLEX(struct hci_cp_le_set_per_adv_data, pdu, data, length,
+ HCI_MAX_PER_AD_LENGTH);
u8 len;
- memset(&pdu, 0, sizeof(pdu));
-
if (instance) {
struct adv_info *adv = hci_find_adv_instance(hdev, instance);
@@ -1426,14 +1418,14 @@ static int hci_set_per_adv_data_sync(struct hci_dev *hdev, u8 instance)
return 0;
}
- len = eir_create_per_adv_data(hdev, instance, pdu.data);
+ len = eir_create_per_adv_data(hdev, instance, pdu->data);
- pdu.cp.length = len;
- pdu.cp.handle = instance;
- pdu.cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
+ pdu->length = len;
+ pdu->handle = instance;
+ pdu->operation = LE_SET_ADV_DATA_OP_COMPLETE;
return __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_PER_ADV_DATA,
- sizeof(pdu.cp) + len, &pdu,
+ struct_size(pdu, data, len), pdu,
HCI_CMD_TIMEOUT);
}
@@ -1727,31 +1719,27 @@ int hci_le_terminate_big_sync(struct hci_dev *hdev, u8 handle, u8 reason)
static int hci_set_ext_adv_data_sync(struct hci_dev *hdev, u8 instance)
{
- struct {
- struct hci_cp_le_set_ext_adv_data cp;
- u8 data[HCI_MAX_EXT_AD_LENGTH];
- } pdu;
+ DEFINE_FLEX(struct hci_cp_le_set_ext_adv_data, pdu, data, length,
+ HCI_MAX_EXT_AD_LENGTH);
u8 len;
struct adv_info *adv = NULL;
int err;
- memset(&pdu, 0, sizeof(pdu));
-
if (instance) {
adv = hci_find_adv_instance(hdev, instance);
if (!adv || !adv->adv_data_changed)
return 0;
}
- len = eir_create_adv_data(hdev, instance, pdu.data);
+ len = eir_create_adv_data(hdev, instance, pdu->data);
- pdu.cp.length = len;
- pdu.cp.handle = instance;
- pdu.cp.operation = LE_SET_ADV_DATA_OP_COMPLETE;
- pdu.cp.frag_pref = LE_SET_ADV_DATA_NO_FRAG;
+ pdu->length = len;
+ pdu->handle = instance;
+ pdu->operation = LE_SET_ADV_DATA_OP_COMPLETE;
+ pdu->frag_pref = LE_SET_ADV_DATA_NO_FRAG;
err = __hci_cmd_sync_status(hdev, HCI_OP_LE_SET_EXT_ADV_DATA,
- sizeof(pdu.cp) + len, &pdu.cp,
+ struct_size(pdu, data, len), pdu,
HCI_CMD_TIMEOUT);
if (err)
return err;
@@ -1760,7 +1748,7 @@ static int hci_set_ext_adv_data_sync(struct hci_dev *hdev, u8 instance)
if (adv) {
adv->adv_data_changed = false;
} else {
- memcpy(hdev->adv_data, pdu.data, len);
+ memcpy(hdev->adv_data, pdu->data, len);
hdev->adv_data_len = len;
}
@@ -6389,10 +6377,8 @@ done:
int hci_le_create_cis_sync(struct hci_dev *hdev)
{
- struct {
- struct hci_cp_le_create_cis cp;
- struct hci_cis cis[0x1f];
- } cmd;
+ DEFINE_FLEX(struct hci_cp_le_create_cis, cmd, cis, num_cis, 0x1f);
+ size_t aux_num_cis = 0;
struct hci_conn *conn;
u8 cig = BT_ISO_QOS_CIG_UNSET;
@@ -6419,8 +6405,6 @@ int hci_le_create_cis_sync(struct hci_dev *hdev)
* remains pending.
*/
- memset(&cmd, 0, sizeof(cmd));
-
hci_dev_lock(hdev);
rcu_read_lock();
@@ -6457,7 +6441,7 @@ int hci_le_create_cis_sync(struct hci_dev *hdev)
goto done;
list_for_each_entry_rcu(conn, &hdev->conn_hash.list, list) {
- struct hci_cis *cis = &cmd.cis[cmd.cp.num_cis];
+ struct hci_cis *cis = &cmd->cis[aux_num_cis];
if (hci_conn_check_create_cis(conn) ||
conn->iso_qos.ucast.cig != cig)
@@ -6466,25 +6450,25 @@ int hci_le_create_cis_sync(struct hci_dev *hdev)
set_bit(HCI_CONN_CREATE_CIS, &conn->flags);
cis->acl_handle = cpu_to_le16(conn->parent->handle);
cis->cis_handle = cpu_to_le16(conn->handle);
- cmd.cp.num_cis++;
+ aux_num_cis++;
- if (cmd.cp.num_cis >= ARRAY_SIZE(cmd.cis))
+ if (aux_num_cis >= 0x1f)
break;
}
+ cmd->num_cis = aux_num_cis;
done:
rcu_read_unlock();
hci_dev_unlock(hdev);
- if (!cmd.cp.num_cis)
+ if (!aux_num_cis)
return 0;
/* Wait for HCI_LE_CIS_Established */
return __hci_cmd_sync_status_sk(hdev, HCI_OP_LE_CREATE_CIS,
- sizeof(cmd.cp) + sizeof(cmd.cis[0]) *
- cmd.cp.num_cis, &cmd,
- HCI_EVT_LE_CIS_ESTABLISHED,
+ struct_size(cmd, cis, cmd->num_cis),
+ cmd, HCI_EVT_LE_CIS_ESTABLISHED,
conn->conn_timeout, NULL);
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-09 19:20:33 +0000