cregit-Linux how code gets into the kernel

Release 4.14 drivers/input/evbug.c

Directory: drivers/input
/*
 *  Copyright (c) 1999-2001 Vojtech Pavlik
 */

/*
 *  Input driver event debug module - dumps all events into syslog
 */

/*
 * 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.
 *
 * This program 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 program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * Should you need to contact me, the author, you can do so either by
 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
 */


#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/slab.h>
#include <linux/module.h>
#include <linux/input.h>
#include <linux/init.h>
#include <linux/device.h>

MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Input driver event debug module");
MODULE_LICENSE("GPL");


static void evbug_event(struct input_handle *handle, unsigned int type, unsigned int code, int value) { printk(KERN_DEBUG pr_fmt("Event. Dev: %s, Type: %d, Code: %d, Value: %d\n"), dev_name(&handle->dev->dev), type, code, value); }

Contributors

PersonTokensPropCommitsCommitProp
Vojtech Pavlik2978.38%150.00%
Joe Perches821.62%150.00%
Total37100.00%2100.00%


static int evbug_connect(struct input_handler *handler, struct input_dev *dev, const struct input_device_id *id) { struct input_handle *handle; int error; handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL); if (!handle) return -ENOMEM; handle->dev = dev; handle->handler = handler; handle->name = "evbug"; error = input_register_handle(handle); if (error) goto err_free_handle; error = input_open_device(handle); if (error) goto err_unregister_handle; printk(KERN_DEBUG pr_fmt("Connected device: %s (%s at %s)\n"), dev_name(&dev->dev), dev->name ?: "unknown", dev->phys ?: "unknown"); return 0; err_unregister_handle: input_unregister_handle(handle); err_free_handle: kfree(handle); return error; }

Contributors

PersonTokensPropCommitsCommitProp
Vojtech Pavlik6951.88%228.57%
Dmitry Torokhov5642.11%342.86%
Joe Perches75.26%114.29%
Eric Sesterhenn / Snakebyte10.75%114.29%
Total133100.00%7100.00%


static void evbug_disconnect(struct input_handle *handle) { printk(KERN_DEBUG pr_fmt("Disconnected device: %s\n"), dev_name(&handle->dev->dev)); input_close_device(handle); input_unregister_handle(handle); kfree(handle); }

Contributors

PersonTokensPropCommitsCommitProp
Vojtech Pavlik2468.57%125.00%
Joe Perches514.29%125.00%
Dmitry Torokhov514.29%125.00%
Kay Sievers12.86%125.00%
Total35100.00%4100.00%

static const struct input_device_id evbug_ids[] = { { .driver_info = 1 }, /* Matches all devices */ { }, /* Terminating zero entry */ }; MODULE_DEVICE_TABLE(input, evbug_ids); static struct input_handler evbug_handler = { .event = evbug_event, .connect = evbug_connect, .disconnect = evbug_disconnect, .name = "evbug", .id_table = evbug_ids, };
static int __init evbug_init(void) { return input_register_handler(&evbug_handler); }

Contributors

PersonTokensPropCommitsCommitProp
Vojtech Pavlik1487.50%133.33%
Dmitry Torokhov16.25%133.33%
Adrian Bunk16.25%133.33%
Total16100.00%3100.00%


static void __exit evbug_exit(void) { input_unregister_handler(&evbug_handler); }

Contributors

PersonTokensPropCommitsCommitProp
Vojtech Pavlik1493.33%150.00%
Adrian Bunk16.67%150.00%
Total15100.00%2100.00%

module_init(evbug_init); module_exit(evbug_exit);

Overall Contributors

PersonTokensPropCommitsCommitProp
Vojtech Pavlik24570.81%320.00%
Dmitry Torokhov6418.50%533.33%
Joe Perches277.80%16.67%
Patrick Mochel30.87%16.67%
Adrian Bunk30.87%213.33%
Art Haas20.58%16.67%
Kay Sievers10.29%16.67%
Eric Sesterhenn / Snakebyte10.29%16.67%
Total346100.00%15100.00%
Directory: drivers/input
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