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authorIvan Orlov <ivan.orlov0322@gmail.com>2023-06-20 16:40:52 +0200
committerJakub Kicinski <kuba@kernel.org>2023-06-29 10:52:18 -0700
commitd40d6f52d5bbbd7aa7092ba9fa793ad7dc253a35 (patch)
tree1aa28de34005270c8c1776b12976a85c8645493b /net
parent14f0dceca60b2fc4f2388505b25f9e6f71785e05 (diff)
Bluetooth: hci_sysfs: make bt_class a static const structure
Now that the driver core allows for struct class to be in read-only memory, move the bt_class structure to be declared at build time placing it into read-only memory, instead of having to be dynamically allocated at load time. Cc: Marcel Holtmann <marcel@holtmann.org> Cc: Johan Hedberg <johan.hedberg@gmail.com> Cc: Luiz Augusto von Dentz <luiz.dentz@gmail.com> Cc: linux-bluetooth@vger.kernel.org Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/hci_sysfs.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 2934d7f4d564..15b33579007c 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -6,7 +6,9 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
-static struct class *bt_class;
+static const struct class bt_class = {
+ .name = "bluetooth",
+};
static void bt_link_release(struct device *dev)
{
@@ -36,7 +38,7 @@ void hci_conn_init_sysfs(struct hci_conn *conn)
BT_DBG("conn %p", conn);
conn->dev.type = &bt_link;
- conn->dev.class = bt_class;
+ conn->dev.class = &bt_class;
conn->dev.parent = &hdev->dev;
device_initialize(&conn->dev);
@@ -104,7 +106,7 @@ void hci_init_sysfs(struct hci_dev *hdev)
struct device *dev = &hdev->dev;
dev->type = &bt_host;
- dev->class = bt_class;
+ dev->class = &bt_class;
__module_get(THIS_MODULE);
device_initialize(dev);
@@ -112,12 +114,10 @@ void hci_init_sysfs(struct hci_dev *hdev)
int __init bt_sysfs_init(void)
{
- bt_class = class_create("bluetooth");
-
- return PTR_ERR_OR_ZERO(bt_class);
+ return class_register(&bt_class);
}
void bt_sysfs_cleanup(void)
{
- class_destroy(bt_class);
+ class_unregister(&bt_class);
}