diff options
Diffstat (limited to 'net/bluetooth/mgmt.c')
| -rw-r--r-- | net/bluetooth/mgmt.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index fc807dcc2533..04efc56d1641 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -1014,8 +1014,18 @@ static u8 get_cur_adv_instance_scan_rsp_len(struct hci_dev *hdev) static u8 create_instance_adv_data(struct hci_dev *hdev, u8 instance, u8 *ptr) { + struct adv_info *adv_instance = NULL; u8 ad_len = 0, flags = 0; - u32 instance_flags = get_adv_instance_flags(hdev, instance); + u32 instance_flags; + + /* Return 0 when the current instance identifier is invalid. */ + if (instance) { + adv_instance = hci_find_adv_instance(hdev, instance); + if (!adv_instance) + return 0; + } + + instance_flags = get_adv_instance_flags(hdev, instance); /* The Add Advertising command allows userspace to set both the general * and limited discoverable flags. @@ -1049,12 +1059,11 @@ static u8 create_instance_adv_data(struct hci_dev *hdev, u8 instance, u8 *ptr) } } - if (instance) { - memcpy(ptr, hdev->adv_instance.adv_data, - hdev->adv_instance.adv_data_len); - - ad_len += hdev->adv_instance.adv_data_len; - ptr += hdev->adv_instance.adv_data_len; + if (adv_instance) { + memcpy(ptr, adv_instance->adv_data, + adv_instance->adv_data_len); + ad_len += adv_instance->adv_data_len; + ptr += adv_instance->adv_data_len; } /* Provide Tx Power only if we can provide a valid value for it */ |