Bluetooth: Expose hardware error code as debugfs entry

When the Hardware Error event is send by the controller, the Bluetooth
core stores the error code. Expose it via debugfs so it can be retrieved
later on.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
index 2272384755d54c29664d9d60299d069c9085e40f..5353f6ec8d68f822df08704992b61ecb92d06088 100644 (file)
--- a/net/bluetooth/hci_debugfs.c
+++ b/net/bluetooth/hci_debugfs.c
@@ -256,6 +256,9 @@ void hci_debugfs_create_common(struct hci_dev *hdev)
                           &hdev->manufacturer);
        debugfs_create_u8("hci_version", 0444, hdev->debugfs, &hdev->hci_ver);
        debugfs_create_u16("hci_revision", 0444, hdev->debugfs, &hdev->hci_rev);
+       debugfs_create_u8("hardware_error", 0444, hdev->debugfs,
+                         &hdev->hw_error_code);
+
        debugfs_create_file("device_list", 0444, hdev->debugfs, hdev,
                            &device_list_fops);
        debugfs_create_file("blacklist", 0444, hdev->debugfs, hdev,