diff options
| author | Johan Hedberg <johan.hedberg@nokia.com> | 2011-03-16 14:29:35 +0200 |
|---|---|---|
| committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-03-31 14:22:54 -0300 |
| commit | 1f6c6378c59f3ddac9ed89a68ccefe2611300c09 (patch) | |
| tree | 14dd2ecd69225f3535f72c461575d289c879dd2f | |
| parent | f0681a68dd3a32699891cd1de93459aee5af7728 (diff) | |
| download | linux-stable-1f6c6378c59f3ddac9ed89a68ccefe2611300c09.tar.gz linux-stable-1f6c6378c59f3ddac9ed89a68ccefe2611300c09.tar.bz2 linux-stable-1f6c6378c59f3ddac9ed89a68ccefe2611300c09.zip | |
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>
| -rw-r--r-- | include/net/bluetooth/hci.h | 8 | ||||
| -rw-r--r-- | include/net/bluetooth/hci_core.h | 2 | ||||
| -rw-r--r-- | net/bluetooth/hci_event.c | 4 | ||||
| -rw-r--r-- | net/bluetooth/hci_sysfs.c | 6 |
4 files changed, 11 insertions, 9 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 diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 441dadbf6a89..9aabb14982dd 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -94,7 +94,7 @@ struct hci_dev { __u8 bus; __u8 dev_type; bdaddr_t bdaddr; - __u8 dev_name[248]; + __u8 dev_name[HCI_MAX_NAME_LENGTH]; __u8 dev_class[3]; __u8 major_class; __u8 minor_class; diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 3fbfa50c2bff..91ef52673ed3 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -200,7 +200,7 @@ static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) if (!sent) return; - memcpy(hdev->dev_name, sent, 248); + memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH); } static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) @@ -212,7 +212,7 @@ static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) if (rp->status) return; - memcpy(hdev->dev_name, rp->name, 248); + memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH); } static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index 3c838a65a75a..e54421693eb8 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -216,13 +216,13 @@ static ssize_t show_type(struct device *dev, struct device_attribute *attr, char static ssize_t show_name(struct device *dev, struct device_attribute *attr, char *buf) { struct hci_dev *hdev = dev_get_drvdata(dev); - char name[249]; + char name[HCI_MAX_NAME_LENGTH + 1]; int i; - for (i = 0; i < 248; i++) + for (i = 0; i < HCI_MAX_NAME_LENGTH; i++) name[i] = hdev->dev_name[i]; - name[248] = '\0'; + name[HCI_MAX_NAME_LENGTH] = '\0'; return sprintf(buf, "%s\n", name); } |