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path: root/drivers/hid/hid-roccat-lua.c
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Diffstat (limited to 'drivers/hid/hid-roccat-lua.c')
-rw-r--r--drivers/hid/hid-roccat-lua.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/hid/hid-roccat-lua.c b/drivers/hid/hid-roccat-lua.c
index 6adc0fa08d96..45e30549c236 100644
--- a/drivers/hid/hid-roccat-lua.c
+++ b/drivers/hid/hid-roccat-lua.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Roccat Lua driver for Linux
*
@@ -5,10 +6,6 @@
*/
/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
*/
/*
@@ -30,7 +27,7 @@ static ssize_t lua_sysfs_read(struct file *fp, struct kobject *kobj,
char *buf, loff_t off, size_t count,
size_t real_size, uint command)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct lua_device *lua = hid_get_drvdata(dev_get_drvdata(dev));
struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
int retval;
@@ -52,7 +49,7 @@ static ssize_t lua_sysfs_write(struct file *fp, struct kobject *kobj,
void const *buf, loff_t off, size_t count,
size_t real_size, uint command)
{
- struct device *dev = container_of(kobj, struct device, kobj);
+ struct device *dev = kobj_to_dev(kobj);
struct lua_device *lua = hid_get_drvdata(dev_get_drvdata(dev));
struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
int retval;
@@ -61,7 +58,7 @@ static ssize_t lua_sysfs_write(struct file *fp, struct kobject *kobj,
return -EINVAL;
mutex_lock(&lua->lua_lock);
- retval = roccat_common2_send(usb_dev, command, (void *)buf, real_size);
+ retval = roccat_common2_send(usb_dev, command, buf, real_size);
mutex_unlock(&lua->lua_lock);
return retval ? retval : real_size;
@@ -69,7 +66,7 @@ static ssize_t lua_sysfs_write(struct file *fp, struct kobject *kobj,
#define LUA_SYSFS_W(thingy, THINGY) \
static ssize_t lua_sysfs_write_ ## thingy(struct file *fp, \
- struct kobject *kobj, struct bin_attribute *attr, \
+ struct kobject *kobj, const struct bin_attribute *attr, \
char *buf, loff_t off, size_t count) \
{ \
return lua_sysfs_write(fp, kobj, buf, off, count, \
@@ -78,7 +75,7 @@ static ssize_t lua_sysfs_write_ ## thingy(struct file *fp, \
#define LUA_SYSFS_R(thingy, THINGY) \
static ssize_t lua_sysfs_read_ ## thingy(struct file *fp, \
- struct kobject *kobj, struct bin_attribute *attr, \
+ struct kobject *kobj, const struct bin_attribute *attr, \
char *buf, loff_t off, size_t count) \
{ \
return lua_sysfs_read(fp, kobj, buf, off, count, \
@@ -88,7 +85,7 @@ static ssize_t lua_sysfs_read_ ## thingy(struct file *fp, \
#define LUA_BIN_ATTRIBUTE_RW(thingy, THINGY) \
LUA_SYSFS_W(thingy, THINGY) \
LUA_SYSFS_R(thingy, THINGY) \
-static struct bin_attribute lua_ ## thingy ## _attr = { \
+static const struct bin_attribute lua_ ## thingy ## _attr = { \
.attr = { .name = #thingy, .mode = 0660 }, \
.size = LUA_SIZE_ ## THINGY, \
.read = lua_sysfs_read_ ## thingy, \
@@ -163,6 +160,9 @@ static int lua_probe(struct hid_device *hdev,
{
int retval;
+ if (!hid_is_usb(hdev))
+ return -EINVAL;
+
retval = hid_parse(hdev);
if (retval) {
hid_err(hdev, "parse failed\n");