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1a59d1b8e0
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
123 lines
3.9 KiB
C
123 lines
3.9 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* 32bit -> 64bit ioctl wrapper for sequencer API
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* Copyright (c) by Takashi Iwai <tiwai@suse.de>
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*/
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/* This file included from seq.c */
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#include <linux/compat.h>
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#include <linux/slab.h>
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struct snd_seq_port_info32 {
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struct snd_seq_addr addr; /* client/port numbers */
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char name[64]; /* port name */
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u32 capability; /* port capability bits */
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u32 type; /* port type bits */
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s32 midi_channels; /* channels per MIDI port */
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s32 midi_voices; /* voices per MIDI port */
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s32 synth_voices; /* voices per SYNTH port */
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s32 read_use; /* R/O: subscribers for output (from this port) */
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s32 write_use; /* R/O: subscribers for input (to this port) */
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u32 kernel; /* reserved for kernel use (must be NULL) */
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u32 flags; /* misc. conditioning */
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unsigned char time_queue; /* queue # for timestamping */
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char reserved[59]; /* for future use */
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};
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static int snd_seq_call_port_info_ioctl(struct snd_seq_client *client, unsigned int cmd,
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struct snd_seq_port_info32 __user *data32)
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{
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int err = -EFAULT;
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struct snd_seq_port_info *data;
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data = kmalloc(sizeof(*data), GFP_KERNEL);
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if (!data)
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return -ENOMEM;
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if (copy_from_user(data, data32, sizeof(*data32)) ||
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get_user(data->flags, &data32->flags) ||
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get_user(data->time_queue, &data32->time_queue))
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goto error;
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data->kernel = NULL;
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err = snd_seq_kernel_client_ctl(client->number, cmd, data);
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if (err < 0)
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goto error;
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if (copy_to_user(data32, data, sizeof(*data32)) ||
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put_user(data->flags, &data32->flags) ||
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put_user(data->time_queue, &data32->time_queue))
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err = -EFAULT;
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error:
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kfree(data);
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return err;
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}
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/*
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*/
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enum {
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SNDRV_SEQ_IOCTL_CREATE_PORT32 = _IOWR('S', 0x20, struct snd_seq_port_info32),
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SNDRV_SEQ_IOCTL_DELETE_PORT32 = _IOW ('S', 0x21, struct snd_seq_port_info32),
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SNDRV_SEQ_IOCTL_GET_PORT_INFO32 = _IOWR('S', 0x22, struct snd_seq_port_info32),
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SNDRV_SEQ_IOCTL_SET_PORT_INFO32 = _IOW ('S', 0x23, struct snd_seq_port_info32),
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SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT32 = _IOWR('S', 0x52, struct snd_seq_port_info32),
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};
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static long snd_seq_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg)
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{
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struct snd_seq_client *client = file->private_data;
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void __user *argp = compat_ptr(arg);
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if (snd_BUG_ON(!client))
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return -ENXIO;
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switch (cmd) {
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case SNDRV_SEQ_IOCTL_PVERSION:
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case SNDRV_SEQ_IOCTL_CLIENT_ID:
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case SNDRV_SEQ_IOCTL_SYSTEM_INFO:
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case SNDRV_SEQ_IOCTL_GET_CLIENT_INFO:
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case SNDRV_SEQ_IOCTL_SET_CLIENT_INFO:
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case SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT:
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case SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT:
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case SNDRV_SEQ_IOCTL_CREATE_QUEUE:
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case SNDRV_SEQ_IOCTL_DELETE_QUEUE:
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case SNDRV_SEQ_IOCTL_GET_QUEUE_INFO:
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case SNDRV_SEQ_IOCTL_SET_QUEUE_INFO:
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case SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE:
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case SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS:
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case SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO:
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case SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO:
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case SNDRV_SEQ_IOCTL_GET_QUEUE_TIMER:
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case SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER:
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case SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT:
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case SNDRV_SEQ_IOCTL_SET_QUEUE_CLIENT:
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case SNDRV_SEQ_IOCTL_GET_CLIENT_POOL:
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case SNDRV_SEQ_IOCTL_SET_CLIENT_POOL:
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case SNDRV_SEQ_IOCTL_REMOVE_EVENTS:
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case SNDRV_SEQ_IOCTL_QUERY_SUBS:
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case SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION:
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case SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT:
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case SNDRV_SEQ_IOCTL_RUNNING_MODE:
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return snd_seq_ioctl(file, cmd, arg);
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case SNDRV_SEQ_IOCTL_CREATE_PORT32:
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return snd_seq_call_port_info_ioctl(client, SNDRV_SEQ_IOCTL_CREATE_PORT, argp);
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case SNDRV_SEQ_IOCTL_DELETE_PORT32:
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return snd_seq_call_port_info_ioctl(client, SNDRV_SEQ_IOCTL_DELETE_PORT, argp);
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case SNDRV_SEQ_IOCTL_GET_PORT_INFO32:
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return snd_seq_call_port_info_ioctl(client, SNDRV_SEQ_IOCTL_GET_PORT_INFO, argp);
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case SNDRV_SEQ_IOCTL_SET_PORT_INFO32:
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return snd_seq_call_port_info_ioctl(client, SNDRV_SEQ_IOCTL_SET_PORT_INFO, argp);
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case SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT32:
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return snd_seq_call_port_info_ioctl(client, SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT, argp);
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}
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return -ENOIOCTLCMD;
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}
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