diff options
| author |   Benjamin Berg <bberg@redhat.com> | 2021-12-03 15:59:00 +0100 |
|---|---|---|
| committer |   Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2021-12-03 10:41:59 -0800 |
| commit | 914b08b330d6722ed081e14580aae6fe66cd5946 (patch) | |
| tree | 73b3f6a059dbbccac732b4392777808ae6bcfdea /net/bluetooth/hci_sync.c | |
| parent | Bluetooth: Reset more state when cancelling a sync command (diff) | |
| download | linux-dev-914b08b330d6722ed081e14580aae6fe66cd5946.tar.xz linux-dev-914b08b330d6722ed081e14580aae6fe66cd5946.zip | |
Bluetooth: Add hci_cmd_sync_cancel to public API
After transfer errors it makes sense to cancel an ongoing synchronous
command that cannot complete anymore. To permit this, export the old
hci_req_sync_cancel function as hci_cmd_sync_cancel in the API.
Signed-off-by: Benjamin Berg <bberg@redhat.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Diffstat (limited to 'net/bluetooth/hci_sync.c')
| -rw-r--r-- | net/bluetooth/hci_sync.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index ad86caf41f91..7ac6c170ec49 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -335,6 +335,23 @@ void hci_cmd_sync_clear(struct hci_dev *hdev) } } +void hci_cmd_sync_cancel(struct hci_dev *hdev, int err) +{ + bt_dev_dbg(hdev, "err 0x%2.2x", err); + + if (hdev->req_status == HCI_REQ_PEND) { + hdev->req_result = err; + hdev->req_status = HCI_REQ_CANCELED; + + cancel_delayed_work_sync(&hdev->cmd_timer); + cancel_delayed_work_sync(&hdev->ncmd_timer); + atomic_set(&hdev->cmd_cnt, 1); + + wake_up_interruptible(&hdev->req_wait_q); + } +} +EXPORT_SYMBOL(hci_cmd_sync_cancel); + int hci_cmd_sync_queue(struct hci_dev *hdev, hci_cmd_sync_work_func_t func, void *data, hci_cmd_sync_work_destroy_t destroy) { |