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authorDavid Herrmann <dh.herrmann@googlemail.com>2012-02-10 00:58:33 +0400
committerJohan Hedberg <johan.hedberg@intel.com>2012-02-13 19:01:37 +0400
commit3dc07322b1ce3c8477690d54ebbf15a165f43066 (patch)
treec66786eff790fdb08747b3f92ee5014a5569d4e8 /net/bluetooth/hci_sysfs.c
parent155961e8001719af6d87cbcc961111e8ce477843 (diff)
downloadlinux-3dc07322b1ce3c8477690d54ebbf15a165f43066.tar.xz
Bluetooth: Introduce to_hci_conn
This avoids using the dev_set/get_drvdata() functions to retrieve a pointer to our own structure. We can use simple pointer arithmetic here. The drvdata field is actually not needed by any other code-path but this makes the code more consistent with hci_dev. Signed-off-by: David Herrmann <dh.herrmann@googlemail.com> Acked-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Diffstat (limited to 'net/bluetooth/hci_sysfs.c')
-rw-r--r--net/bluetooth/hci_sysfs.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 2a0243add1e4..17e6cd48ad4d 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -33,19 +33,19 @@ static inline char *link_typetostr(int type)
static ssize_t show_link_type(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct hci_conn *conn = dev_get_drvdata(dev);
+ struct hci_conn *conn = to_hci_conn(dev);
return sprintf(buf, "%s\n", link_typetostr(conn->type));
}
static ssize_t show_link_address(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct hci_conn *conn = dev_get_drvdata(dev);
+ struct hci_conn *conn = to_hci_conn(dev);
return sprintf(buf, "%s\n", batostr(&conn->dst));
}
static ssize_t show_link_features(struct device *dev, struct device_attribute *attr, char *buf)
{
- struct hci_conn *conn = dev_get_drvdata(dev);
+ struct hci_conn *conn = to_hci_conn(dev);
return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
conn->features[0], conn->features[1],
@@ -79,7 +79,7 @@ static const struct attribute_group *bt_link_groups[] = {
static void bt_link_release(struct device *dev)
{
- void *data = dev_get_drvdata(dev);
+ void *data = to_hci_conn(dev);
kfree(data);
}
@@ -120,8 +120,6 @@ void hci_conn_add_sysfs(struct hci_conn *conn)
dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
- dev_set_drvdata(&conn->dev, conn);
-
if (device_add(&conn->dev) < 0) {
BT_ERR("Failed to register connection device");
return;