Bluetooth: hci_sync: Fix hci_resume_advertising_sync

[ Upstream commit 1488af7b8b5f9896ea88ee35aa3301713f72737c ]

hci_resume_advertising_sync is suppose to resume all instance paused by
hci_pause_advertising_sync, this logic is used for procedures are only
allowed when not advertising, but instance 0x00 was not being
re-enabled.

Fixes: ad383c2 ("Bluetooth: hci_sync: Enable advertising when LL privacy is enabled")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit 6a0070c5c3ad37827a51b4e7e319b9b1d150aad9)

Author: Vudentz

net/bluetooth/hci_sync.c

@@ -2639,6 +2639,13 @@ static int hci_resume_advertising_sync(struct hci_dev *hdev)
 			hci_remove_ext_adv_instance_sync(hdev, adv->instance,
 							 NULL);
 		}
+
+		/* If current advertising instance is set to instance 0x00
+		 * then we need to re-enable it.
+		 */
+		if (!hdev->cur_adv_instance)
+			err = hci_enable_ext_advertising_sync(hdev,
+							      hdev->cur_adv_instance);
 	} else {
 		/* Schedule for most recent instance to be restarted and begin
 		 * the software rotation loop