Bluetooth: Simplify num_comp_pkts_evt function

Simplify function and remove fourth level of indentation.
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>

net/bluetooth/hci_event.c

@@ -2273,14 +2273,19 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s
 		count  = get_unaligned_le16(ptr++);
 
 		conn = hci_conn_hash_lookup_handle(hdev, handle);
-		if (conn) {
+		if (!conn)
+			continue;
+
 		conn->sent -= count;
 
-			if (conn->type == ACL_LINK) {
+		switch (conn->type) {
+		case ACL_LINK:
 			hdev->acl_cnt += count;
 			if (hdev->acl_cnt > hdev->acl_pkts)
 				hdev->acl_cnt = hdev->acl_pkts;
-			} else if (conn->type == LE_LINK) {
+			break;
+
+		case LE_LINK:
 			if (hdev->le_pkts) {
 				hdev->le_cnt += count;
 				if (hdev->le_cnt > hdev->le_pkts)
@@ -2290,11 +2295,17 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s
 				if (hdev->acl_cnt > hdev->acl_pkts)
 					hdev->acl_cnt = hdev->acl_pkts;
 			}
-			} else {
+			break;
+
+		case SCO_LINK:
 			hdev->sco_cnt += count;
 			if (hdev->sco_cnt > hdev->sco_pkts)
 				hdev->sco_cnt = hdev->sco_pkts;
-			}
+			break;
+
+		default:
+			BT_ERR("Unknown type %d conn %p", conn->type, conn);
+			break;
 		}
 	}