From: Benjamin Berg <bberg@xxxxxxxxxx>
Currently this function only cancels any synchronous operation that
might be ongoing. Adding this function allows aborting synchronous
commands in case of low level TX/RX issues. A common example for this is
that the device has been removed.
Signed-off-by: Benjamin Berg <bberg@xxxxxxxxxx>
---
include/net/bluetooth/hci_core.h | 1 +
net/bluetooth/hci_core.c | 7 +++++++
2 files changed, 8 insertions(+)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index dd8840e70e25..542f5a37b9d0 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -1267,6 +1267,7 @@ void hci_release_dev(struct hci_dev *hdev);
int hci_suspend_dev(struct hci_dev *hdev);
int hci_resume_dev(struct hci_dev *hdev);
int hci_reset_dev(struct hci_dev *hdev);
+void hci_tx_error(struct hci_dev *hdev, int err);
int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);
int hci_recv_diag(struct hci_dev *hdev, struct sk_buff *skb);
__printf(2, 3) void hci_set_hw_info(struct hci_dev *hdev, const char *fmt, ...);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 8d33aa64846b..bbb35188e41f 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -4069,6 +4069,13 @@ int hci_reset_dev(struct hci_dev *hdev)
}
EXPORT_SYMBOL(hci_reset_dev);
+/* Reset HCI device */
+void hci_tx_error(struct hci_dev *hdev, int err)
+{
+ hci_req_sync_cancel(hdev, err);
+}
+EXPORT_SYMBOL(hci_tx_error);
+
/* Receive frame from HCI drivers */
int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb)
{
--
2.31.1
