From: Yang Li <yang.li@xxxxxxxxxxx> When PA Create Sync is enabled, advertising resumes unexpectedly. Therefore, it's necessary to check whether advertising is currently active before attempting to pause it. < HCI Command: LE Add Device To... (0x08|0x0011) plen 7 #1345 [hci0] 48.306205 Address type: Random (0x01) Address: 4F:84:84:5F:88:17 (Resolvable) Identity type: Random (0x01) Identity: FC:5B:8C:F7:5D:FB (Static) < HCI Command: LE Set Address Re.. (0x08|0x002d) plen 1 #1347 [hci0] 48.308023 Address resolution: Enabled (0x01) ... < HCI Command: LE Set Extended A.. (0x08|0x0039) plen 6 #1349 [hci0] 48.309650 Extended advertising: Enabled (0x01) Number of sets: 1 (0x01) Entry 0 Handle: 0x01 Duration: 0 ms (0x00) Max ext adv events: 0 ... < HCI Command: LE Periodic Adve.. (0x08|0x0044) plen 14 #1355 [hci0] 48.314575 Options: 0x0000 Use advertising SID, Advertiser Address Type and address Reporting initially enabled SID: 0x02 Adv address type: Random (0x01) Adv address: 4F:84:84:5F:88:17 (Resolvable) Identity type: Random (0x01) Identity: FC:5B:8C:F7:5D:FB (Static) Skip: 0x0000 Sync timeout: 20000 msec (0x07d0) Sync CTE type: 0x0000 Signed-off-by: Yang Li <yang.li@xxxxxxxxxxx> --- Changes in v2: - Replace HCI_ADVERTISING with HCI_LE_ADV - Link to v1: https://lore.kernel.org/r/20250616-bluetooth_adv-v1-1-6876bf4e85b4@xxxxxxxxxxx --- net/bluetooth/hci_sync.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index 6687f2a4d1eb..42d3696227af 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -2481,6 +2481,10 @@ static int hci_pause_advertising_sync(struct hci_dev *hdev) int err; int old_state; + /* If controller is not advertising we are done. */ + if (!hci_dev_test_flag(hdev, HCI_LE_ADV)) + return 0; + /* If already been paused there is nothing to do. */ if (hdev->advertising_paused) return 0; --- base-commit: 6c31dab4ff1e1f4e0f3412efb1cfc88033358d1f change-id: 20250616-bluetooth_adv-6496e1ca6165 Best regards, -- Yang Li <yang.li@xxxxxxxxxxx>
