Check current scan state by checking HCI_LE_SCAN flag and send scan
disable command only if scan is already enabled.
Signed-off-by: Manish Mandlik <mmand...@google.com>
---
net/bluetooth/hci_request.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/net/bluetooth/hci_request.c b/net/bluetooth/hci_request.c
index 1fc55685da62d..1acf5b8e0910c 100644
--- a/net/bluetooth/hci_request.c
+++ b/net/bluetooth/hci_request.c
@@ -998,8 +998,9 @@ static void hci_req_set_event_filter(struct hci_request
*req)
static void hci_req_config_le_suspend_scan(struct hci_request *req)
{
- /* Can't change params without disabling first */
- hci_req_add_le_scan_disable(req);
+ /* Before changing params disable scan if enabled */
+ if (hci_dev_test_flag(req->hdev, HCI_LE_SCAN))
+ hci_req_add_le_scan_disable(req);
/* Configure params and enable scanning */
hci_req_add_le_passive_scan(req);
@@ -1065,8 +1066,9 @@ void hci_req_prepare_suspend(struct hci_dev *hdev, enum
suspended_state next)
page_scan = SCAN_DISABLED;
hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &page_scan);
- /* Disable LE passive scan */
- hci_req_add_le_scan_disable(&req);
+ /* Disable LE passive scan if enabled */
+ if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
+ hci_req_add_le_scan_disable(&req);
/* Mark task needing completion */
set_bit(SUSPEND_SCAN_DISABLE, hdev->suspend_tasks);
--
2.27.0.rc2.251.g90737beb825-goog
