From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/hid/hid-picolcd_core.c | 37 ++++++++-----------------------------
1 files changed, 8 insertions(+), 29 deletions(-)
diff --git a/kernel/drivers/hid/hid-picolcd_core.c b/kernel/drivers/hid/hid-picolcd_core.c
index c1b29a9..1b5c632 100644
--- a/kernel/drivers/hid/hid-picolcd_core.c
+++ b/kernel/drivers/hid/hid-picolcd_core.c
@@ -1,20 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/***************************************************************************
* Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> *
* *
* Based on Logitech G13 driver (v0.4) *
* Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> *
* *
- * 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, version 2 of the License. *
- * *
- * This driver is distributed in the hope that it will be useful, but *
- * WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
- * General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this software. If not see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#include <linux/hid.h>
@@ -28,6 +18,7 @@
#include <linux/completion.h>
#include <linux/uaccess.h>
#include <linux/module.h>
+#include <linux/string.h>
#include "hid-picolcd.h"
@@ -275,27 +266,20 @@
{
struct picolcd_data *data = dev_get_drvdata(dev);
struct hid_report *report = NULL;
- size_t cnt = count;
int timeout = data->opmode_delay;
unsigned long flags;
- if (cnt >= 3 && strncmp("lcd", buf, 3) == 0) {
+ if (sysfs_streq(buf, "lcd")) {
if (data->status & PICOLCD_BOOTLOADER)
report = picolcd_out_report(REPORT_EXIT_FLASHER, data->hdev);
- buf += 3;
- cnt -= 3;
- } else if (cnt >= 10 && strncmp("bootloader", buf, 10) == 0) {
+ } else if (sysfs_streq(buf, "bootloader")) {
if (!(data->status & PICOLCD_BOOTLOADER))
report = picolcd_out_report(REPORT_EXIT_KEYBOARD, data->hdev);
- buf += 10;
- cnt -= 10;
- }
- if (!report || report->maxfield != 1)
+ } else {
return -EINVAL;
+ }
- while (cnt > 0 && (buf[cnt-1] == '\n' || buf[cnt-1] == '\r'))
- cnt--;
- if (cnt != 0)
+ if (!report || report->maxfield != 1)
return -EINVAL;
spin_lock_irqsave(&data->lock, flags);
@@ -550,8 +534,7 @@
data = kzalloc(sizeof(struct picolcd_data), GFP_KERNEL);
if (data == NULL) {
hid_err(hdev, "can't allocate space for Minibox PicoLCD device data\n");
- error = -ENOMEM;
- goto err_no_cleanup;
+ return -ENOMEM;
}
spin_lock_init(&data->lock);
@@ -613,9 +596,6 @@
hid_hw_stop(hdev);
err_cleanup_data:
kfree(data);
-err_no_cleanup:
- hid_set_drvdata(hdev, NULL);
-
return error;
}
@@ -651,7 +631,6 @@
picolcd_exit_cir(data);
picolcd_exit_keys(data);
- hid_set_drvdata(hdev, NULL);
mutex_destroy(&data->mutex);
/* Finally, clean up the picolcd data itself */
kfree(data);
--
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