Bluetooth: Add define for the maximum name length on HCI level

This patch adds a clear define for the maximum device name length in HCI
messages and thereby avoids magic numbers in the code.

Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

1 files changed, 5 insertions, 3 deletions

diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index ec6acf2f1c0b..1cd031cd1c4d 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -535,15 +535,17 @@ struct hci_cp_delete_stored_link_key {
         __u8     delete_all;
 } __packed;
 
+#define HCI_MAX_NAME_LENGTH             248
+
 #define HCI_OP_WRITE_LOCAL_NAME         0x0c13
 struct hci_cp_write_local_name {
-        __u8     name[248];
+        __u8     name[HCI_MAX_NAME_LENGTH];
 } __packed;
 
 #define HCI_OP_READ_LOCAL_NAME          0x0c14
 struct hci_rp_read_local_name {
         __u8     status;
-        __u8     name[248];
+        __u8     name[HCI_MAX_NAME_LENGTH];
 } __packed;
 
 #define HCI_OP_WRITE_CA_TIMEOUT         0x0c16
@@ -745,7 +747,7 @@ struct hci_ev_auth_complete {
 struct hci_ev_remote_name {
         __u8     status;
         bdaddr_t bdaddr;
-        __u8     name[248];
+        __u8     name[HCI_MAX_NAME_LENGTH];
 } __packed;
 
 #define HCI_EV_ENCRYPT_CHANGE           0x08