Commit 02c04afe authored by Johan Hedberg's avatar Johan Hedberg Committed by Marcel Holtmann

Bluetooth: Simplify read_adv_features code

The code in the Read Advertising Features mgmt command handler is
unnecessarily complicated. Clean it up and remove unnecessary
variables & branches.
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 2ff13894
......@@ -5788,10 +5788,10 @@ static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
{
struct mgmt_rp_read_adv_features *rp;
size_t rp_len;
int err, i;
bool instance;
int err;
struct adv_info *adv_instance;
u32 supported_flags;
u8 *instance;
BT_DBG("%s", hdev->name);
......@@ -5801,12 +5801,7 @@ static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
hci_dev_lock(hdev);
rp_len = sizeof(*rp);
instance = hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE);
if (instance)
rp_len += hdev->adv_instance_cnt;
rp_len = sizeof(*rp) + hdev->adv_instance_cnt;
rp = kmalloc(rp_len, GFP_ATOMIC);
if (!rp) {
hci_dev_unlock(hdev);
......@@ -5819,19 +5814,12 @@ static int read_adv_features(struct sock *sk, struct hci_dev *hdev,
rp->max_adv_data_len = HCI_MAX_AD_LENGTH;
rp->max_scan_rsp_len = HCI_MAX_AD_LENGTH;
rp->max_instances = HCI_MAX_ADV_INSTANCES;
rp->num_instances = hdev->adv_instance_cnt;
if (instance) {
i = 0;
list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
if (i >= hdev->adv_instance_cnt)
break;
rp->instance[i] = adv_instance->instance;
i++;
}
rp->num_instances = hdev->adv_instance_cnt;
} else {
rp->num_instances = 0;
instance = rp->instance;
list_for_each_entry(adv_instance, &hdev->adv_instances, list) {
*instance = adv_instance->instance;
instance++;
}
hci_dev_unlock(hdev);
......
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