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Diffstat (limited to 'drivers/hid/hid-core.c')
-rw-r--r--drivers/hid/hid-core.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 92387fc0bf18..210b81a56e1a 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* HID support for Linux
*
@@ -8,10 +9,6 @@
*/
/*
- * 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.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -30,7 +27,6 @@
#include <linux/vmalloc.h>
#include <linux/sched.h>
#include <linux/semaphore.h>
-#include <linux/async.h>
#include <linux/hid.h>
#include <linux/hiddev.h>
@@ -1314,10 +1310,10 @@ static u32 __extract(u8 *report, unsigned offset, int n)
u32 hid_field_extract(const struct hid_device *hid, u8 *report,
unsigned offset, unsigned n)
{
- if (n > 256) {
- hid_warn(hid, "hid_field_extract() called with n (%d) > 256! (%s)\n",
+ if (n > 32) {
+ hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
n, current->comm);
- n = 256;
+ n = 32;
}
return __extract(report, offset, n);
@@ -2365,15 +2361,6 @@ int hid_add_device(struct hid_device *hdev)
dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
hdev->vendor, hdev->product, atomic_inc_return(&id));
- /*
- * Try loading the module for the device before the add, so that we do
- * not first have hid-generic binding only to have it replaced
- * immediately afterwards with a specialized driver.
- */
- if (!current_is_async())
- request_module("hid:b%04Xg%04Xv%08Xp%08X", hdev->bus,
- hdev->group, hdev->vendor, hdev->product);
-
hid_debug_register(hdev, dev_name(&hdev->dev));
ret = device_add(&hdev->dev);
if (!ret)