提交 1f6c6378 编写于 作者: J Johan Hedberg 提交者: Gustavo F. Padovan

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: NJohan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: NGustavo F. Padovan <padovan@profusion.mobi>
上级 f0681a68
......@@ -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
......
......@@ -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;
......
......@@ -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)
......
......@@ -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);
}
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册