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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/sound/core/timer_compat.c
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@@ -1,21 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *   32bit -> 64bit ioctl wrapper for timer API
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  *   Copyright (c) by Takashi Iwai <tiwai@suse.de>
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- *
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- *   This program is free software; you can redistribute it and/or modify
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- *   it under the terms of the GNU General Public License as published by
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- *   the Free Software Foundation; either version 2 of the License, or
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- *   (at your option) any later version.
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- *
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- *   This program is distributed in the hope that it will be useful,
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- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *   GNU General Public License for more details.
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- *
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- *   You should have received a copy of the GNU General Public License
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- *   along with this program; if not, write to the Free Software
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- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
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- *
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  */
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6
 
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 /* This file included from timer.c */
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@@ -83,54 +69,11 @@
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 	return 0;
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 }
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-struct snd_timer_status32 {
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-	struct compat_timespec tstamp;
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-	u32 resolution;
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-	u32 lost;
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-	u32 overrun;
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-	u32 queue;
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-	unsigned char reserved[64];
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-};
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-
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-static int snd_timer_user_status_compat(struct file *file,
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-					struct snd_timer_status32 __user *_status)
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-{
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-	struct snd_timer_user *tu;
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-	struct snd_timer_status32 status;
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-	
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-	tu = file->private_data;
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-	if (!tu->timeri)
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-		return -EBADFD;
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-	memset(&status, 0, sizeof(status));
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-	status.tstamp.tv_sec = tu->tstamp.tv_sec;
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-	status.tstamp.tv_nsec = tu->tstamp.tv_nsec;
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-	status.resolution = snd_timer_resolution(tu->timeri);
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-	status.lost = tu->timeri->lost;
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-	status.overrun = tu->overrun;
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-	spin_lock_irq(&tu->qlock);
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-	status.queue = tu->qused;
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-	spin_unlock_irq(&tu->qlock);
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-	if (copy_to_user(_status, &status, sizeof(status)))
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-		return -EFAULT;
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-	return 0;
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-}
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-
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-#ifdef CONFIG_X86_X32
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-/* X32 ABI has the same struct as x86-64 */
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-#define snd_timer_user_status_x32(file, s) \
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-	snd_timer_user_status(file, s)
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-#endif /* CONFIG_X86_X32 */
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-
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-/*
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- */
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-
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 enum {
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 	SNDRV_TIMER_IOCTL_GPARAMS32 = _IOW('T', 0x04, struct snd_timer_gparams32),
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 	SNDRV_TIMER_IOCTL_INFO32 = _IOR('T', 0x11, struct snd_timer_info32),
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-	SNDRV_TIMER_IOCTL_STATUS32 = _IOW('T', 0x14, struct snd_timer_status32),
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-#ifdef CONFIG_X86_X32
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-	SNDRV_TIMER_IOCTL_STATUS_X32 = _IOW('T', 0x14, struct snd_timer_status),
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-#endif /* CONFIG_X86_X32 */
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+	SNDRV_TIMER_IOCTL_STATUS_COMPAT32 = _IOW('T', 0x14, struct snd_timer_status32),
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+	SNDRV_TIMER_IOCTL_STATUS_COMPAT64 = _IOW('T', 0x14, struct snd_timer_status64),
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 };
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 static long __snd_timer_user_ioctl_compat(struct file *file, unsigned int cmd,
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@@ -140,7 +83,8 @@
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 	switch (cmd) {
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 	case SNDRV_TIMER_IOCTL_PVERSION:
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-	case SNDRV_TIMER_IOCTL_TREAD:
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+	case SNDRV_TIMER_IOCTL_TREAD_OLD:
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+	case SNDRV_TIMER_IOCTL_TREAD64:
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 	case SNDRV_TIMER_IOCTL_GINFO:
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 	case SNDRV_TIMER_IOCTL_GSTATUS:
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 	case SNDRV_TIMER_IOCTL_SELECT:
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@@ -154,17 +98,15 @@
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 	case SNDRV_TIMER_IOCTL_PAUSE:
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 	case SNDRV_TIMER_IOCTL_PAUSE_OLD:
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 	case SNDRV_TIMER_IOCTL_NEXT_DEVICE:
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-		return __snd_timer_user_ioctl(file, cmd, (unsigned long)argp);
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+		return __snd_timer_user_ioctl(file, cmd, (unsigned long)argp, true);
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 	case SNDRV_TIMER_IOCTL_GPARAMS32:
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 		return snd_timer_user_gparams_compat(file, argp);
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 	case SNDRV_TIMER_IOCTL_INFO32:
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 		return snd_timer_user_info_compat(file, argp);
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-	case SNDRV_TIMER_IOCTL_STATUS32:
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-		return snd_timer_user_status_compat(file, argp);
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-#ifdef CONFIG_X86_X32
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-	case SNDRV_TIMER_IOCTL_STATUS_X32:
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-		return snd_timer_user_status_x32(file, argp);
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-#endif /* CONFIG_X86_X32 */
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+	case SNDRV_TIMER_IOCTL_STATUS_COMPAT32:
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+		return snd_timer_user_status32(file, argp);
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+	case SNDRV_TIMER_IOCTL_STATUS_COMPAT64:
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+		return snd_timer_user_status64(file, argp);
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 	}
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 	return -ENOIOCTLCMD;
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 }