Bluetooth: Remove magic numbers from le scan cmd

Make code readable by removing magic numbers.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

2 files changed, 13 insertions, 2 deletions

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 6127ca8bd1d1..5b2fed5eebf2 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -804,6 +804,9 @@ struct hci_cp_le_set_scan_param {
         __u8    filter_policy;
 } __packed;
 
+#define LE_SCANNING_DISABLED            0x00
+#define LE_SCANNING_ENABLED             0x01
+
 #define HCI_OP_LE_SET_SCAN_ENABLE       0x200c
 struct hci_cp_le_set_scan_enable {
         __u8     enable;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index b9d77be92d3b..919e3c0e74aa 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -1033,7 +1033,8 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
         if (!cp)
                 return;
 
-        if (cp->enable == 0x01) {
+        switch (cp->enable) {
+        case LE_SCANNING_ENABLED:
                 set_bit(HCI_LE_SCAN, &hdev->dev_flags);
 
                 cancel_delayed_work_sync(&hdev->adv_work);
@@ -1041,12 +1042,19 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
                 hci_dev_lock(hdev);
                 hci_adv_entries_clear(hdev);
                 hci_dev_unlock(hdev);
-        } else if (cp->enable == 0x00) {
+                break;
+
+        case LE_SCANNING_DISABLED:
                 clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
 
                 cancel_delayed_work_sync(&hdev->adv_work);
                 queue_delayed_work(hdev->workqueue, &hdev->adv_work,
                                                  jiffies + ADV_CLEAR_TIMEOUT);
+                break;
+
+        default:
+                BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
+                break;
         }
 }