diff options
Diffstat (limited to 'net/bluetooth/coredump.c')
| -rw-r--r-- | net/bluetooth/coredump.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/net/bluetooth/coredump.c b/net/bluetooth/coredump.c index c18df3a08607..819eacb38762 100644 --- a/net/bluetooth/coredump.c +++ b/net/bluetooth/coredump.c @@ -240,6 +240,26 @@ static void hci_devcd_handle_pkt_pattern(struct hci_dev *hdev, bt_dev_dbg(hdev, "Failed to set pattern"); } +static void hci_devcd_dump(struct hci_dev *hdev) +{ + struct sk_buff *skb; + u32 size; + + bt_dev_dbg(hdev, "state %d", hdev->dump.state); + + size = hdev->dump.tail - hdev->dump.head; + + /* Emit a devcoredump with the available data */ + dev_coredumpv(&hdev->dev, hdev->dump.head, size, GFP_KERNEL); + + /* Send a copy to monitor as a diagnostic packet */ + skb = bt_skb_alloc(size, GFP_ATOMIC); + if (skb) { + skb_put_data(skb, hdev->dump.head, size); + hci_recv_diag(hdev, skb); + } +} + static void hci_devcd_handle_pkt_complete(struct hci_dev *hdev, struct sk_buff *skb) { @@ -256,7 +276,7 @@ static void hci_devcd_handle_pkt_complete(struct hci_dev *hdev, bt_dev_dbg(hdev, "complete with size %u (expect %zu)", dump_size, hdev->dump.alloc_size); - dev_coredumpv(&hdev->dev, hdev->dump.head, dump_size, GFP_KERNEL); + hci_devcd_dump(hdev); } static void hci_devcd_handle_pkt_abort(struct hci_dev *hdev, @@ -275,8 +295,7 @@ static void hci_devcd_handle_pkt_abort(struct hci_dev *hdev, bt_dev_dbg(hdev, "aborted with size %u (expect %zu)", dump_size, hdev->dump.alloc_size); - /* Emit a devcoredump with the available data */ - dev_coredumpv(&hdev->dev, hdev->dump.head, dump_size, GFP_KERNEL); + hci_devcd_dump(hdev); } /* Bluetooth devcoredump state machine. @@ -391,8 +410,7 @@ void hci_devcd_timeout(struct work_struct *work) bt_dev_dbg(hdev, "timeout with size %u (expect %zu)", dump_size, hdev->dump.alloc_size); - /* Emit a devcoredump with the available data */ - dev_coredumpv(&hdev->dev, hdev->dump.head, dump_size, GFP_KERNEL); + hci_devcd_dump(hdev); hci_devcd_reset(hdev); |