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sound fixes for 4.17-rc3

Browse Source 
A significant amount of fixes have been piled up at this time.
 
 - Possible Spectre v1 coverage in OSS sequencer API, control API,
   HD-audio hwdep ioctl, ASIHPI hwdep ioctl, OPL3, and HDSPM/RME
   channel_info API.
 
 - A regression fix in PCM delay reporting that happened at the code
   refactoring for the set_fs() removal
 
 - The long-standing bug in PCM sync_ptr ioctl that missed the audio
   timestamp field
 
 - USB-audio regression fixes due to the recent UAC2 jack support
 
 - vm_fault_t conversions in a couple of places
 
 - ASoC topology API fixes
 
 - Assorted driver fixes:
   * ASoC rsnd, FSL, Intel SST, DMIC, AMD, ADAU17x1, Realtek codec
   * FireWire typo fix
   * HD-audio quirks and USB-audio Dell fixup
   * USB-audio UAC3 corrections
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Merge tag 'sound-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A significant amount of fixes have been piled up at this time.

   - Possible Spectre v1 coverage in OSS sequencer API, control API,
     HD-audio hwdep ioctl, ASIHPI hwdep ioctl, OPL3, and HDSPM/RME
     channel_info API.

   - A regression fix in PCM delay reporting that happened at the code
     refactoring for the set_fs() removal

   - The long-standing bug in PCM sync_ptr ioctl that missed the audio
     timestamp field

   - USB-audio regression fixes due to the recent UAC2 jack support

   - vm_fault_t conversions in a couple of places

   - ASoC topology API fixes

   - Assorted driver fixes:
      * ASoC rsnd, FSL, Intel SST, DMIC, AMD, ADAU17x1, Realtek codec
      * FireWire typo fix
      * HD-audio quirks and USB-audio Dell fixup
      * USB-audio UAC3 corrections"

* tag 'sound-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (35 commits)
  ALSA: dice: fix error path to destroy initialized stream data
  ALSA: hda - Skip jack and others for non-existing PCM streams
  ALSA: hda/realtek - change the location for one of two front mics
  ALSA: rme9652: Hardening for potential Spectre v1
  ALSA: hdspm: Hardening for potential Spectre v1
  ALSA: asihpi: Hardening for potential Spectre v1
  ALSA: opl3: Hardening for potential Spectre v1
  ALSA: hda: Hardening for potential Spectre v1
  ALSA: control: Hardening for potential Spectre v1
  ALSA: seq: oss: Hardening for potential Spectre v1
  ALSA: seq: oss: Fix unbalanced use lock for synth MIDI device
  ALSA: hda/realtek - Update ALC255 depop optimize
  ALSA: hda/realtek - Add some fixes for ALC233
  ALSA: pcm: Change return type to vm_fault_t
  ALSA: usx2y: Change return type to vm_fault_t
  ALSA: usb-audio: ADC3: Fix channel mapping conversion for ADC3.
  ALSA: dice: fix OUI for TC group
  ALSA: usb-audio: Skip broken EU on Dell dock USB-audio
  ALSA: usb-audio: Fix missing endian conversion
  ALSA: usb-audio: Fix forgotten conversion of control query functions
  ...
This commit is contained in:
Linus Torvalds 2018-04-27 09:29:18 -07:00
commit 7ff5000268
35 changed files with 244 additions and 127 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
include/sound/control.h
View File

@ -23,6 +23,7 @@
*/
#include <linux/wait.h>
#include <linux/nospec.h>
#include <sound/asound.h>
#define snd_kcontrol_chip(kcontrol) ((kcontrol)->private_data)
@ -148,12 +149,14 @@ int snd_ctl_get_preferred_subdevice(struct snd_card *card, int type);
static inline unsigned int snd_ctl_get_ioffnum(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id)
{
return id->numid - kctl->id.numid;
unsigned int ioff = id->numid - kctl->id.numid;
return array_index_nospec(ioff, kctl->count);
}
static inline unsigned int snd_ctl_get_ioffidx(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id)
{
return id->index - kctl->id.index;
unsigned int ioff = id->index - kctl->id.index;
return array_index_nospec(ioff, kctl->count);
}
static inline unsigned int snd_ctl_get_ioff(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id)

2
sound/core/control.c
View File

@ -1492,7 +1492,7 @@ static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file,
int op_flag)
{
struct snd_ctl_tlv header;
unsigned int *container;
unsigned int __user *container;
unsigned int container_size;
struct snd_kcontrol *kctl;
struct snd_ctl_elem_id id;

7
sound/core/pcm_compat.c
View File

@ -27,10 +27,11 @@ static int snd_pcm_ioctl_delay_compat(struct snd_pcm_substream *substream,
s32 __user *src)
{
snd_pcm_sframes_t delay;
int err;
delay = snd_pcm_delay(substream);
if (delay < 0)
return delay;
err = snd_pcm_delay(substream, &delay);
if (err)
return err;
if (put_user(delay, src))
return -EFAULT;
return 0;

30
sound/core/pcm_native.c
View File

@ -2692,7 +2692,8 @@ static int snd_pcm_hwsync(struct snd_pcm_substream *substream)
return err;
}
static snd_pcm_sframes_t snd_pcm_delay(struct snd_pcm_substream *substream)
static int snd_pcm_delay(struct snd_pcm_substream *substream,
snd_pcm_sframes_t *delay)
{
struct snd_pcm_runtime *runtime = substream->runtime;
int err;
@ -2708,7 +2709,9 @@ static snd_pcm_sframes_t snd_pcm_delay(struct snd_pcm_substream *substream)
n += runtime->delay;
}
snd_pcm_stream_unlock_irq(substream);
return err < 0 ? err : n;
if (!err)
*delay = n;
return err;
}
static int snd_pcm_sync_ptr(struct snd_pcm_substream *substream,
@ -2751,6 +2754,7 @@ static int snd_pcm_sync_ptr(struct snd_pcm_substream *substream,
sync_ptr.s.status.hw_ptr = status->hw_ptr;
sync_ptr.s.status.tstamp = status->tstamp;
sync_ptr.s.status.suspended_state = status->suspended_state;
sync_ptr.s.status.audio_tstamp = status->audio_tstamp;
snd_pcm_stream_unlock_irq(substream);
if (copy_to_user(_sync_ptr, &sync_ptr, sizeof(sync_ptr)))
return -EFAULT;
@ -2916,11 +2920,13 @@ static int snd_pcm_common_ioctl(struct file *file,
return snd_pcm_hwsync(substream);
case SNDRV_PCM_IOCTL_DELAY:
{
snd_pcm_sframes_t delay = snd_pcm_delay(substream);
snd_pcm_sframes_t delay;
snd_pcm_sframes_t __user *res = arg;
int err;
if (delay < 0)
return delay;
err = snd_pcm_delay(substream, &delay);
if (err)
return err;
if (put_user(delay, res))
return -EFAULT;
return 0;
@ -3008,13 +3014,7 @@ int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream,
case SNDRV_PCM_IOCTL_DROP:
return snd_pcm_drop(substream);
case SNDRV_PCM_IOCTL_DELAY:
{
result = snd_pcm_delay(substream);
if (result < 0)
return result;
*frames = result;
return 0;
}
return snd_pcm_delay(substream, frames);
default:
return -EINVAL;
}
@ -3234,7 +3234,7 @@ static __poll_t snd_pcm_capture_poll(struct file *file, poll_table * wait)
/*
* mmap status record
*/
static int snd_pcm_mmap_status_fault(struct vm_fault *vmf)
static vm_fault_t snd_pcm_mmap_status_fault(struct vm_fault *vmf)
{
struct snd_pcm_substream *substream = vmf->vma->vm_private_data;
struct snd_pcm_runtime *runtime;
@ -3270,7 +3270,7 @@ static int snd_pcm_mmap_status(struct snd_pcm_substream *substream, struct file
/*
* mmap control record
*/
static int snd_pcm_mmap_control_fault(struct vm_fault *vmf)
static vm_fault_t snd_pcm_mmap_control_fault(struct vm_fault *vmf)
{
struct snd_pcm_substream *substream = vmf->vma->vm_private_data;
struct snd_pcm_runtime *runtime;
@ -3359,7 +3359,7 @@ snd_pcm_default_page_ops(struct snd_pcm_substream *substream, unsigned long ofs)
/*
* fault callback for mmapping a RAM page
*/
static int snd_pcm_mmap_data_fault(struct vm_fault *vmf)
static vm_fault_t snd_pcm_mmap_data_fault(struct vm_fault *vmf)
{
struct snd_pcm_substream *substream = vmf->vma->vm_private_data;
struct snd_pcm_runtime *runtime;

15
sound/core/seq/oss/seq_oss_event.c
View File

@ -26,6 +26,7 @@
#include <sound/seq_oss_legacy.h>
#include "seq_oss_readq.h"
#include "seq_oss_writeq.h"
#include <linux/nospec.h>
/*
@ -287,10 +288,10 @@ note_on_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, st
{
struct seq_oss_synthinfo *info;
if (!snd_seq_oss_synth_is_valid(dp, dev))
info = snd_seq_oss_synth_info(dp, dev);
if (!info)
return -ENXIO;
info = &dp->synths[dev];
switch (info->arg.event_passing) {
case SNDRV_SEQ_OSS_PROCESS_EVENTS:
if (! info->ch || ch < 0 || ch >= info->nr_voices) {
@ -298,6 +299,7 @@ note_on_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, st
return set_note_event(dp, dev, SNDRV_SEQ_EVENT_NOTEON, ch, note, vel, ev);
}
ch = array_index_nospec(ch, info->nr_voices);
if (note == 255 && info->ch[ch].note >= 0) {
/* volume control */
int type;
@ -347,10 +349,10 @@ note_off_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, s
{
struct seq_oss_synthinfo *info;
if (!snd_seq_oss_synth_is_valid(dp, dev))
info = snd_seq_oss_synth_info(dp, dev);
if (!info)
return -ENXIO;
info = &dp->synths[dev];
switch (info->arg.event_passing) {
case SNDRV_SEQ_OSS_PROCESS_EVENTS:
if (! info->ch || ch < 0 || ch >= info->nr_voices) {
@ -358,6 +360,7 @@ note_off_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, s
return set_note_event(dp, dev, SNDRV_SEQ_EVENT_NOTEON, ch, note, vel, ev);
}
ch = array_index_nospec(ch, info->nr_voices);
if (info->ch[ch].note >= 0) {
note = info->ch[ch].note;
info->ch[ch].vel = 0;
@ -381,7 +384,7 @@ note_off_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, s
static int
set_note_event(struct seq_oss_devinfo *dp, int dev, int type, int ch, int note, int vel, struct snd_seq_event *ev)
{
if (! snd_seq_oss_synth_is_valid(dp, dev))
if (!snd_seq_oss_synth_info(dp, dev))
return -ENXIO;
ev->type = type;
@ -399,7 +402,7 @@ set_note_event(struct seq_oss_devinfo *dp, int dev, int type, int ch, int note,
static int
set_control_event(struct seq_oss_devinfo *dp, int dev, int type, int ch, int param, int val, struct snd_seq_event *ev)
{
if (! snd_seq_oss_synth_is_valid(dp, dev))
if (!snd_seq_oss_synth_info(dp, dev))
return -ENXIO;
ev->type = type;

2
sound/core/seq/oss/seq_oss_midi.c
View File

@ -29,6 +29,7 @@
#include "../seq_lock.h"
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/nospec.h>
/*
@ -315,6 +316,7 @@ get_mididev(struct seq_oss_devinfo *dp, int dev)
{
if (dev < 0 || dev >= dp->max_mididev)
return NULL;
dev = array_index_nospec(dev, dp->max_mididev);
return get_mdev(dev);
}

85
sound/core/seq/oss/seq_oss_synth.c
View File

@ -26,6 +26,7 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/nospec.h>
/*
* constants
@ -339,17 +340,13 @@ snd_seq_oss_synth_cleanup(struct seq_oss_devinfo *dp)
dp->max_synthdev = 0;
}
/*
* check if the specified device is MIDI mapped device
*/
static int
is_midi_dev(struct seq_oss_devinfo *dp, int dev)
static struct seq_oss_synthinfo *
get_synthinfo_nospec(struct seq_oss_devinfo *dp, int dev)
{
if (dev < 0 || dev >= dp->max_synthdev)
return 0;
if (dp->synths[dev].is_midi)
return 1;
return 0;
return NULL;
dev = array_index_nospec(dev, SNDRV_SEQ_OSS_MAX_SYNTH_DEVS);
return &dp->synths[dev];
}
/*
@ -359,14 +356,20 @@ static struct seq_oss_synth *
get_synthdev(struct seq_oss_devinfo *dp, int dev)
{
struct seq_oss_synth *rec;
if (dev < 0 || dev >= dp->max_synthdev)
struct seq_oss_synthinfo *info = get_synthinfo_nospec(dp, dev);
if (!info)
return NULL;
if (! dp->synths[dev].opened)
return NULL;
if (dp->synths[dev].is_midi)
return &midi_synth_dev;
if ((rec = get_sdev(dev)) == NULL)
if (!info->opened)
return NULL;
if (info->is_midi) {
rec = &midi_synth_dev;
snd_use_lock_use(&rec->use_lock);
} else {
rec = get_sdev(dev);
if (!rec)
return NULL;
}
if (! rec->opened) {
snd_use_lock_free(&rec->use_lock);
return NULL;
@ -402,10 +405,8 @@ snd_seq_oss_synth_reset(struct seq_oss_devinfo *dp, int dev)
struct seq_oss_synth *rec;
struct seq_oss_synthinfo *info;
if (snd_BUG_ON(dev < 0 || dev >= dp->max_synthdev))
return;
info = &dp->synths[dev];
if (! info->opened)
info = get_synthinfo_nospec(dp, dev);
if (!info || !info->opened)
return;
if (info->sysex)
info->sysex->len = 0; /* reset sysex */
@ -454,12 +455,14 @@ snd_seq_oss_synth_load_patch(struct seq_oss_devinfo *dp, int dev, int fmt,
const char __user *buf, int p, int c)
{
struct seq_oss_synth *rec;
struct seq_oss_synthinfo *info;
int rc;
if (dev < 0 || dev >= dp->max_synthdev)
info = get_synthinfo_nospec(dp, dev);
if (!info)
return -ENXIO;
if (is_midi_dev(dp, dev))
if (info->is_midi)
return 0;
if ((rec = get_synthdev(dp, dev)) == NULL)
return -ENXIO;
@ -467,24 +470,25 @@ snd_seq_oss_synth_load_patch(struct seq_oss_devinfo *dp, int dev, int fmt,
if (rec->oper.load_patch == NULL)
rc = -ENXIO;
else
rc = rec->oper.load_patch(&dp->synths[dev].arg, fmt, buf, p, c);
rc = rec->oper.load_patch(&info->arg, fmt, buf, p, c);
snd_use_lock_free(&rec->use_lock);
return rc;
}
/*
* check if the device is valid synth device
* check if the device is valid synth device and return the synth info
*/
int
snd_seq_oss_synth_is_valid(struct seq_oss_devinfo *dp, int dev)
struct seq_oss_synthinfo *
snd_seq_oss_synth_info(struct seq_oss_devinfo *dp, int dev)
{
struct seq_oss_synth *rec;
rec = get_synthdev(dp, dev);
if (rec) {
snd_use_lock_free(&rec->use_lock);
return 1;
return get_synthinfo_nospec(dp, dev);
}
return 0;
return NULL;
}
@ -499,16 +503,18 @@ snd_seq_oss_synth_sysex(struct seq_oss_devinfo *dp, int dev, unsigned char *buf,
int i, send;
unsigned char *dest;
struct seq_oss_synth_sysex *sysex;
struct seq_oss_synthinfo *info;
if (! snd_seq_oss_synth_is_valid(dp, dev))
info = snd_seq_oss_synth_info(dp, dev);
if (!info)
return -ENXIO;
sysex = dp->synths[dev].sysex;
sysex = info->sysex;
if (sysex == NULL) {
sysex = kzalloc(sizeof(*sysex), GFP_KERNEL);
if (sysex == NULL)
return -ENOMEM;
dp->synths[dev].sysex = sysex;
info->sysex = sysex;
}
send = 0;
@ -553,10 +559,12 @@ snd_seq_oss_synth_sysex(struct seq_oss_devinfo *dp, int dev, unsigned char *buf,
int
snd_seq_oss_synth_addr(struct seq_oss_devinfo *dp, int dev, struct snd_seq_event *ev)
{
if (! snd_seq_oss_synth_is_valid(dp, dev))
struct seq_oss_synthinfo *info = snd_seq_oss_synth_info(dp, dev);
if (!info)
return -EINVAL;
snd_seq_oss_fill_addr(dp, ev, dp->synths[dev].arg.addr.client,
dp->synths[dev].arg.addr.port);
snd_seq_oss_fill_addr(dp, ev, info->arg.addr.client,
info->arg.addr.port);
return 0;
}
@ -568,16 +576,18 @@ int
snd_seq_oss_synth_ioctl(struct seq_oss_devinfo *dp, int dev, unsigned int cmd, unsigned long addr)
{
struct seq_oss_synth *rec;
struct seq_oss_synthinfo *info;
int rc;
if (is_midi_dev(dp, dev))
info = get_synthinfo_nospec(dp, dev);
if (!info || info->is_midi)
return -ENXIO;
if ((rec = get_synthdev(dp, dev)) == NULL)
return -ENXIO;
if (rec->oper.ioctl == NULL)
rc = -ENXIO;
else
rc = rec->oper.ioctl(&dp->synths[dev].arg, cmd, addr);
rc = rec->oper.ioctl(&info->arg, cmd, addr);
snd_use_lock_free(&rec->use_lock);
return rc;
}
@ -589,7 +599,10 @@ snd_seq_oss_synth_ioctl(struct seq_oss_devinfo *dp, int dev, unsigned int cmd, u
int
snd_seq_oss_synth_raw_event(struct seq_oss_devinfo *dp, int dev, unsigned char *data, struct snd_seq_event *ev)
{
if (! snd_seq_oss_synth_is_valid(dp, dev) || is_midi_dev(dp, dev))
struct seq_oss_synthinfo *info;
info = snd_seq_oss_synth_info(dp, dev);
if (!info || info->is_midi)
return -ENXIO;
ev->type = SNDRV_SEQ_EVENT_OSS;
memcpy(ev->data.raw8.d, data, 8);

3
sound/core/seq/oss/seq_oss_synth.h
View File

@ -37,7 +37,8 @@ void snd_seq_oss_synth_cleanup(struct seq_oss_devinfo *dp);
void snd_seq_oss_synth_reset(struct seq_oss_devinfo *dp, int dev);
int snd_seq_oss_synth_load_patch(struct seq_oss_devinfo *dp, int dev, int fmt,
const char __user *buf, int p, int c);
int snd_seq_oss_synth_is_valid(struct seq_oss_devinfo *dp, int dev);
struct seq_oss_synthinfo *snd_seq_oss_synth_info(struct seq_oss_devinfo *dp,
int dev);
int snd_seq_oss_synth_sysex(struct seq_oss_devinfo *dp, int dev, unsigned char *buf,
struct snd_seq_event *ev);
int snd_seq_oss_synth_addr(struct seq_oss_devinfo *dp, int dev, struct snd_seq_event *ev);

7
sound/drivers/opl3/opl3_synth.c
View File

@ -21,6 +21,7 @@
#include <linux/slab.h>
#include <linux/export.h>
#include <linux/nospec.h>
#include <sound/opl3.h>
#include <sound/asound_fm.h>
@ -448,7 +449,7 @@ static int snd_opl3_set_voice(struct snd_opl3 * opl3, struct snd_dm_fm_voice * v
{
unsigned short reg_side;
unsigned char op_offset;
unsigned char voice_offset;
unsigned char voice_offset, voice_op;
unsigned short opl3_reg;
unsigned char reg_val;
@ -473,7 +474,9 @@ static int snd_opl3_set_voice(struct snd_opl3 * opl3, struct snd_dm_fm_voice * v
voice_offset = voice->voice - MAX_OPL2_VOICES;
}
/* Get register offset of operator */
op_offset = snd_opl3_regmap[voice_offset][voice->op];
voice_offset = array_index_nospec(voice_offset, MAX_OPL2_VOICES);
voice_op = array_index_nospec(voice->op, 4);
op_offset = snd_opl3_regmap[voice_offset][voice_op];
reg_val = 0x00;
/* Set amplitude modulation (tremolo) effect */

2
sound/firewire/dice/dice-stream.c
View File

@ -435,7 +435,7 @@ int snd_dice_stream_init_duplex(struct snd_dice *dice)
err = init_stream(dice, AMDTP_IN_STREAM, i);
if (err < 0) {
for (; i >= 0; i--)
destroy_stream(dice, AMDTP_OUT_STREAM, i);
destroy_stream(dice, AMDTP_IN_STREAM, i);
goto end;
}
}

2
sound/firewire/dice/dice.c
View File

@ -14,7 +14,7 @@ MODULE_LICENSE("GPL v2");
#define OUI_WEISS 0x001c6a
#define OUI_LOUD 0x000ff2
#define OUI_FOCUSRITE 0x00130e
#define OUI_TCELECTRONIC 0x001486
#define OUI_TCELECTRONIC 0x000166
#define DICE_CATEGORY_ID 0x04
#define WEISS_CATEGORY_ID 0x00

13
sound/pci/asihpi/hpimsginit.c
View File

@ -23,6 +23,7 @@
#include "hpi_internal.h"
#include "hpimsginit.h"
#include <linux/nospec.h>
/* The actual message size for each object type */
static u16 msg_size[HPI_OBJ_MAXINDEX + 1] = HPI_MESSAGE_SIZE_BY_OBJECT;
@ -39,10 +40,12 @@ static void hpi_init_message(struct hpi_message *phm, u16 object,
{
u16 size;
if ((object > 0) && (object <= HPI_OBJ_MAXINDEX))
if ((object > 0) && (object <= HPI_OBJ_MAXINDEX)) {
object = array_index_nospec(object, HPI_OBJ_MAXINDEX + 1);
size = msg_size[object];
else
} else {
size = sizeof(*phm);
}
memset(phm, 0, size);
phm->size = size;
@ -66,10 +69,12 @@ void hpi_init_response(struct hpi_response *phr, u16 object, u16 function,
{
u16 size;
if ((object > 0) && (object <= HPI_OBJ_MAXINDEX))
if ((object > 0) && (object <= HPI_OBJ_MAXINDEX)) {
object = array_index_nospec(object, HPI_OBJ_MAXINDEX + 1);
size = res_size[object];
else
} else {
size = sizeof(*phr);
}
memset(phr, 0, sizeof(*phr));
phr->size = size;

4
sound/pci/asihpi/hpioctl.c
View File

@ -33,6 +33,7 @@
#include <linux/stringify.h>
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <linux/nospec.h>
#ifdef MODULE_FIRMWARE
MODULE_FIRMWARE("asihpi/dsp5000.bin");
@ -186,7 +187,8 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
struct hpi_adapter *pa = NULL;
if (hm->h.adapter_index < ARRAY_SIZE(adapters))
pa = &adapters[hm->h.adapter_index];
pa = &adapters[array_index_nospec(hm->h.adapter_index,
ARRAY_SIZE(adapters))];
if (!pa || !pa->adapter || !pa->adapter->type) {
hpi_init_response(&hr->r0, hm->h.object,

12
sound/pci/hda/hda_hwdep.c
View File

@ -21,6 +21,7 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/compat.h>
#include <linux/nospec.h>
#include <sound/core.h>
#include "hda_codec.h"
#include "hda_local.h"
@ -51,7 +52,16 @@ static int get_wcap_ioctl(struct hda_codec *codec,
if (get_user(verb, &arg->verb))
return -EFAULT;
res = get_wcaps(codec, verb >> 24);
/* open-code get_wcaps(verb>>24) with nospec */
verb >>= 24;
if (verb < codec->core.start_nid ||
verb >= codec->core.start_nid + codec->core.num_nodes) {
res = 0;
} else {
verb -= codec->core.start_nid;
verb = array_index_nospec(verb, codec->core.num_nodes);
res = codec->wcaps[verb];
}
if (put_user(res, &arg->res))
return -EFAULT;
return 0;

9
sound/pci/hda/patch_hdmi.c
View File

@ -1383,6 +1383,8 @@ static void hdmi_pcm_setup_pin(struct hdmi_spec *spec,
pcm = get_pcm_rec(spec, per_pin->pcm_idx);
else
return;
if (!pcm->pcm)
return;
if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use))
return;
@ -2151,8 +2153,13 @@ static int generic_hdmi_build_controls(struct hda_codec *codec)
int dev, err;
int pin_idx, pcm_idx;
for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
if (!get_pcm_rec(spec, pcm_idx)->pcm) {
/* no PCM: mark this for skipping permanently */
set_bit(pcm_idx, &spec->pcm_bitmap);
continue;
}
err = generic_hdmi_build_jack(codec, pcm_idx);
if (err < 0)
return err;

5
sound/pci/hda/patch_realtek.c
View File

@ -331,6 +331,7 @@ static void alc_fill_eapd_coef(struct hda_codec *codec)
/* fallthrough */
case 0x10ec0215:
case 0x10ec0233:
case 0x10ec0235:
case 0x10ec0236:
case 0x10ec0255:
case 0x10ec0256:
@ -6575,6 +6576,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
SND_PCI_QUIRK(0x17aa, 0x30e2, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
SND_PCI_QUIRK(0x17aa, 0x310c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x312f, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x3138, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x313c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x3112, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY),
@ -7160,8 +7162,11 @@ static int patch_alc269(struct hda_codec *codec)
case 0x10ec0298:
spec->codec_variant = ALC269_TYPE_ALC298;
break;
case 0x10ec0235:
case 0x10ec0255:
spec->codec_variant = ALC269_TYPE_ALC255;
spec->shutup = alc256_shutup;
spec->init_hook = alc256_init;
break;
case 0x10ec0236:
case 0x10ec0256:

24
sound/pci/rme9652/hdspm.c
View File

@ -137,6 +137,7 @@
#include <linux/pci.h>
#include <linux/math64.h>
#include <linux/io.h>
#include <linux/nospec.h>
#include <sound/core.h>
#include <sound/control.h>
@ -5698,40 +5699,43 @@ static int snd_hdspm_channel_info(struct snd_pcm_substream *substream,
struct snd_pcm_channel_info *info)
{
struct hdspm *hdspm = snd_pcm_substream_chip(substream);
unsigned int channel = info->channel;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
if (snd_BUG_ON(info->channel >= hdspm->max_channels_out)) {
if (snd_BUG_ON(channel >= hdspm->max_channels_out)) {
dev_info(hdspm->card->dev,
"snd_hdspm_channel_info: output channel out of range (%d)\n",
info->channel);
channel);
return -EINVAL;
}
if (hdspm->channel_map_out[info->channel] < 0) {
channel = array_index_nospec(channel, hdspm->max_channels_out);
if (hdspm->channel_map_out[channel] < 0) {
dev_info(hdspm->card->dev,
"snd_hdspm_channel_info: output channel %d mapped out\n",
info->channel);
channel);
return -EINVAL;
}
info->offset = hdspm->channel_map_out[info->channel] *
info->offset = hdspm->channel_map_out[channel] *
HDSPM_CHANNEL_BUFFER_BYTES;
} else {
if (snd_BUG_ON(info->channel >= hdspm->max_channels_in)) {
if (snd_BUG_ON(channel >= hdspm->max_channels_in)) {
dev_info(hdspm->card->dev,
"snd_hdspm_channel_info: input channel out of range (%d)\n",
info->channel);
channel);
return -EINVAL;
}
if (hdspm->channel_map_in[info->channel] < 0) {
channel = array_index_nospec(channel, hdspm->max_channels_in);
if (hdspm->channel_map_in[channel] < 0) {
dev_info(hdspm->card->dev,
"snd_hdspm_channel_info: input channel %d mapped out\n",
info->channel);
channel);
return -EINVAL;
}
info->offset = hdspm->channel_map_in[info->channel] *
info->offset = hdspm->channel_map_in[channel] *
HDSPM_CHANNEL_BUFFER_BYTES;
}

6
sound/pci/rme9652/rme9652.c
View File

@ -26,6 +26,7 @@
#include <linux/pci.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/nospec.h>
#include <sound/core.h>
#include <sound/control.h>
@ -2071,9 +2072,10 @@ static int snd_rme9652_channel_info(struct snd_pcm_substream *substream,
if (snd_BUG_ON(info->channel >= RME9652_NCHANNELS))
return -EINVAL;
if ((chn = rme9652->channel_map[info->channel]) < 0) {
chn = rme9652->channel_map[array_index_nospec(info->channel,
RME9652_NCHANNELS)];
if (chn < 0)
return -EINVAL;
}
info->offset = chn * RME9652_CHANNEL_BUFFER_BYTES;
info->first = 0;

2
sound/soc/amd/acp-da7219-max98357a.c
View File

@ -43,7 +43,7 @@
#define DUAL_CHANNEL 2
static struct snd_soc_jack cz_jack;
struct clk *da7219_dai_clk;
static struct clk *da7219_dai_clk;
static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd)
{

26
sound/soc/codecs/adau17x1.c
View File

@ -502,7 +502,7 @@ static int adau17x1_hw_params(struct snd_pcm_substream *substream,
}
if (adau->sigmadsp) {
ret = adau17x1_setup_firmware(adau, params_rate(params));
ret = adau17x1_setup_firmware(component, params_rate(params));
if (ret < 0)
return ret;
}
@ -835,26 +835,40 @@ bool adau17x1_volatile_register(struct device *dev, unsigned int reg)
}
EXPORT_SYMBOL_GPL(adau17x1_volatile_register);
int adau17x1_setup_firmware(struct adau *adau, unsigned int rate)
int adau17x1_setup_firmware(struct snd_soc_component *component,
unsigned int rate)
{
int ret;
int dspsr;
int dspsr, dsp_run;
struct adau *adau = snd_soc_component_get_drvdata(component);
struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
snd_soc_dapm_mutex_lock(dapm);
ret = regmap_read(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, &dspsr);
if (ret)
return ret;
goto err;
ret = regmap_read(adau->regmap, ADAU17X1_DSP_RUN, &dsp_run);
if (ret)
goto err;
regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 1);
regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, 0xf);
regmap_write(adau->regmap, ADAU17X1_DSP_RUN, 0);
ret = sigmadsp_setup(adau->sigmadsp, rate);
if (ret) {
regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 0);
return ret;
goto err;
}
regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dspsr);
regmap_write(adau->regmap, ADAU17X1_DSP_RUN, dsp_run);
return 0;
err:
snd_soc_dapm_mutex_unlock(dapm);
return ret;
}
EXPORT_SYMBOL_GPL(adau17x1_setup_firmware);

3
sound/soc/codecs/adau17x1.h
View File

@ -68,7 +68,8 @@ int adau17x1_resume(struct snd_soc_component *component);
extern const struct snd_soc_dai_ops adau17x1_dai_ops;
int adau17x1_setup_firmware(struct adau *adau, unsigned int rate);
int adau17x1_setup_firmware(struct snd_soc_component *component,
unsigned int rate);
bool adau17x1_has_dsp(struct adau *adau);
#define ADAU17X1_CLOCK_CONTROL 0x4000

9
sound/soc/codecs/msm8916-wcd-analog.c
View File

@ -1187,7 +1187,8 @@ static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev)
return irq;
}
ret = devm_request_irq(dev, irq, pm8916_mbhc_switch_irq_handler,
ret = devm_request_threaded_irq(dev, irq, NULL,
pm8916_mbhc_switch_irq_handler,
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
IRQF_ONESHOT,
"mbhc switch irq", priv);
@ -1201,7 +1202,8 @@ static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev)
return irq;
}
ret = devm_request_irq(dev, irq, mbhc_btn_press_irq_handler,
ret = devm_request_threaded_irq(dev, irq, NULL,
mbhc_btn_press_irq_handler,
IRQF_TRIGGER_RISING |
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
"mbhc btn press irq", priv);
@ -1214,7 +1216,8 @@ static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev)
return irq;
}
ret = devm_request_irq(dev, irq, mbhc_btn_release_irq_handler,
ret = devm_request_threaded_irq(dev, irq, NULL,
mbhc_btn_release_irq_handler,
IRQF_TRIGGER_RISING |
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
"mbhc btn release irq", priv);

3
sound/soc/codecs/rt5514.c
View File

@ -89,6 +89,7 @@ static const struct reg_default rt5514_reg[] = {
{RT5514_PLL3_CALIB_CTRL5, 0x40220012},
{RT5514_DELAY_BUF_CTRL1, 0x7fff006a},
{RT5514_DELAY_BUF_CTRL3, 0x00000000},
{RT5514_ASRC_IN_CTRL1, 0x00000003},
{RT5514_DOWNFILTER0_CTRL1, 0x00020c2f},
{RT5514_DOWNFILTER0_CTRL2, 0x00020c2f},
{RT5514_DOWNFILTER0_CTRL3, 0x10000362},
@ -181,6 +182,7 @@ static bool rt5514_readable_register(struct device *dev, unsigned int reg)
case RT5514_PLL3_CALIB_CTRL5:
case RT5514_DELAY_BUF_CTRL1:
case RT5514_DELAY_BUF_CTRL3:
case RT5514_ASRC_IN_CTRL1:
case RT5514_DOWNFILTER0_CTRL1:
case RT5514_DOWNFILTER0_CTRL2:
case RT5514_DOWNFILTER0_CTRL3:
@ -238,6 +240,7 @@ static bool rt5514_i2c_readable_register(struct device *dev,
case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL5:
case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL1:
case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL3:
case RT5514_DSP_MAPPING | RT5514_ASRC_IN_CTRL1:
case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL1:
case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL2:
case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL3:

7
sound/soc/fsl/fsl_esai.c
View File

@ -144,6 +144,13 @@ static int fsl_esai_divisor_cal(struct snd_soc_dai *dai, bool tx, u32 ratio,
psr = ratio <= 256 * maxfp ? ESAI_xCCR_xPSR_BYPASS : ESAI_xCCR_xPSR_DIV8;
/* Do not loop-search if PM (1 ~ 256) alone can serve the ratio */
if (ratio <= 256) {
pm = ratio;
fp = 1;
goto out;
}
/* Set the max fluctuation -- 0.1% of the max devisor */
savesub = (psr ? 1 : 8) * 256 * maxfp / 1000;

14
sound/soc/fsl/fsl_ssi.c
View File

@ -217,6 +217,7 @@ struct fsl_ssi_soc_data {
* @dai_fmt: DAI configuration this device is currently used with
* @streams: Mask of current active streams: BIT(TX) and BIT(RX)
* @i2s_net: I2S and Network mode configurations of SCR register
* (this is the initial settings based on the DAI format)
* @synchronous: Use synchronous mode - both of TX and RX use STCK and SFCK
* @use_dma: DMA is used or FIQ with stream filter
* @use_dual_fifo: DMA with support for dual FIFO mode
@ -829,16 +830,23 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream,
}
if (!fsl_ssi_is_ac97(ssi)) {
/*
* Keep the ssi->i2s_net intact while having a local variable
* to override settings for special use cases. Otherwise, the
* ssi->i2s_net will lose the settings for regular use cases.
*/
u8 i2s_net = ssi->i2s_net;
/* Normal + Network mode to send 16-bit data in 32-bit frames */
if (fsl_ssi_is_i2s_cbm_cfs(ssi) && sample_size == 16)
ssi->i2s_net = SSI_SCR_I2S_MODE_NORMAL | SSI_SCR_NET;
i2s_net = SSI_SCR_I2S_MODE_NORMAL | SSI_SCR_NET;
/* Use Normal mode to send mono data at 1st slot of 2 slots */
if (channels == 1)
ssi->i2s_net = SSI_SCR_I2S_MODE_NORMAL;
i2s_net = SSI_SCR_I2S_MODE_NORMAL;
regmap_update_bits(regs, REG_SSI_SCR,
SSI_SCR_I2S_NET_MASK, ssi->i2s_net);
SSI_SCR_I2S_NET_MASK, i2s_net);
}
/* In synchronous mode, the SSI uses STCCR for capture */

22
sound/soc/intel/Kconfig
View File

@ -72,24 +72,28 @@ config SND_SOC_INTEL_BAYTRAIL
for Baytrail Chromebooks but this option is now deprecated and is
not recommended, use SND_SST_ATOM_HIFI2_PLATFORM instead.
config SND_SST_ATOM_HIFI2_PLATFORM
tristate
select SND_SOC_COMPRESS
config SND_SST_ATOM_HIFI2_PLATFORM_PCI
tristate "PCI HiFi2 (Medfield, Merrifield) Platforms"
tristate "PCI HiFi2 (Merrifield) Platforms"
depends on X86 && PCI
select SND_SST_IPC_PCI
select SND_SOC_COMPRESS
select SND_SST_ATOM_HIFI2_PLATFORM
help
If you have a Intel Medfield or Merrifield/Edison platform, then
If you have a Intel Merrifield/Edison platform, then
enable this option by saying Y or m. Distros will typically not
enable this option: Medfield devices are not available to
developers and while Merrifield/Edison can run a mainline kernel with
limited functionality it will require a firmware file which
is not in the standard firmware tree
enable this option: while Merrifield/Edison can run a mainline
kernel with limited functionality it will require a firmware file
which is not in the standard firmware tree
config SND_SST_ATOM_HIFI2_PLATFORM
config SND_SST_ATOM_HIFI2_PLATFORM_ACPI
tristate "ACPI HiFi2 (Baytrail, Cherrytrail) Platforms"
default ACPI
depends on X86 && ACPI
select SND_SST_IPC_ACPI
select SND_SOC_COMPRESS
select SND_SST_ATOM_HIFI2_PLATFORM
select SND_SOC_ACPI_INTEL_MATCH
select IOSF_MBI
help

14
sound/soc/omap/omap-dmic.c
View File

@ -281,7 +281,7 @@ static int omap_dmic_dai_trigger(struct snd_pcm_substream *substream,
static int omap_dmic_select_fclk(struct omap_dmic *dmic, int clk_id,
unsigned int freq)
{
struct clk *parent_clk;
struct clk *parent_clk, *mux;
char *parent_clk_name;
int ret = 0;
@ -329,14 +329,21 @@ static int omap_dmic_select_fclk(struct omap_dmic *dmic, int clk_id,
return -ENODEV;
}
mux = clk_get_parent(dmic->fclk);
if (IS_ERR(mux)) {
dev_err(dmic->dev, "can't get fck mux parent\n");
clk_put(parent_clk);
return -ENODEV;
}
mutex_lock(&dmic->mutex);
if (dmic->active) {
/* disable clock while reparenting */
pm_runtime_put_sync(dmic->dev);
ret = clk_set_parent(dmic->fclk, parent_clk);
ret = clk_set_parent(mux, parent_clk);
pm_runtime_get_sync(dmic->dev);
} else {
ret = clk_set_parent(dmic->fclk, parent_clk);
ret = clk_set_parent(mux, parent_clk);
}
mutex_unlock(&dmic->mutex);
@ -349,6 +356,7 @@ static int omap_dmic_select_fclk(struct omap_dmic *dmic, int clk_id,
dmic->fclk_freq = freq;
err_busy:
clk_put(mux);
clk_put(parent_clk);
return ret;

4
sound/soc/sh/rcar/core.c
View File

@ -1536,7 +1536,7 @@ static int rsnd_remove(struct platform_device *pdev)
return ret;
}
static int rsnd_suspend(struct device *dev)
static int __maybe_unused rsnd_suspend(struct device *dev)
{
struct rsnd_priv *priv = dev_get_drvdata(dev);
@ -1545,7 +1545,7 @@ static int rsnd_suspend(struct device *dev)
return 0;
}
static int rsnd_resume(struct device *dev)
static int __maybe_unused rsnd_resume(struct device *dev)
{
struct rsnd_priv *priv = dev_get_drvdata(dev);

14
sound/soc/soc-topology.c
View File

@ -513,7 +513,7 @@ static void remove_widget(struct snd_soc_component *comp,
*/
if (dobj->widget.kcontrol_type == SND_SOC_TPLG_TYPE_ENUM) {
/* enumerated widget mixer */
for (i = 0; i < w->num_kcontrols; i++) {
for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
struct snd_kcontrol *kcontrol = w->kcontrols[i];
struct soc_enum *se =
(struct soc_enum *)kcontrol->private_value;
@ -530,7 +530,7 @@ static void remove_widget(struct snd_soc_component *comp,
}
} else {
/* volume mixer or bytes controls */
for (i = 0; i < w->num_kcontrols; i++) {
for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) {
struct snd_kcontrol *kcontrol = w->kcontrols[i];
if (dobj->widget.kcontrol_type
@ -1325,8 +1325,10 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create(
ec->hdr.name);
kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL);
if (kc[i].name == NULL)
if (kc[i].name == NULL) {
kfree(se);
goto err_se;
}
kc[i].private_value = (long)se;
kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
kc[i].access = ec->hdr.access;
@ -1442,8 +1444,10 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create(
be->hdr.name, be->hdr.access);
kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL);
if (kc[i].name == NULL)
if (kc[i].name == NULL) {
kfree(sbe);
goto err;
}
kc[i].private_value = (long)sbe;
kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER;
kc[i].access = be->hdr.access;
@ -2576,7 +2580,7 @@ int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index)
/* match index */
if (dobj->index != index &&
dobj->index != SND_SOC_TPLG_INDEX_ALL)
index != SND_SOC_TPLG_INDEX_ALL)
continue;
switch (dobj->type) {

7
sound/usb/mixer.c
View File

@ -1776,7 +1776,8 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid,
build_feature_ctl(state, _ftr, ch_bits, control,
&iterm, unitid, ch_read_only);
if (uac_v2v3_control_is_readable(master_bits, control))
build_feature_ctl(state, _ftr, 0, i, &iterm, unitid,
build_feature_ctl(state, _ftr, 0, control,
&iterm, unitid,
!uac_v2v3_control_is_writeable(master_bits,
control));
}
@ -1859,7 +1860,7 @@ static int parse_audio_input_terminal(struct mixer_build *state, int unitid,
check_input_term(state, d->bTerminalID, &iterm);
if (state->mixer->protocol == UAC_VERSION_2) {
/* Check for jack detection. */
if (uac_v2v3_control_is_readable(d->bmControls,
if (uac_v2v3_control_is_readable(le16_to_cpu(d->bmControls),
UAC2_TE_CONNECTOR)) {
build_connector_control(state, &iterm, true);
}
@ -2561,7 +2562,7 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
if (err < 0 && err != -EINVAL)
return err;
if (uac_v2v3_control_is_readable(desc->bmControls,
if (uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls),
UAC2_TE_CONNECTOR)) {
build_connector_control(&state, &state.oterm,
false);

3
sound/usb/mixer_maps.c
View File

@ -353,8 +353,11 @@ static struct usbmix_name_map bose_companion5_map[] = {
/*
* Dell usb dock with ALC4020 codec had a firmware problem where it got
* screwed up when zero volume is passed; just skip it as a workaround
*
* Also the extension unit gives an access error, so skip it as well.
*/
static const struct usbmix_name_map dell_alc4020_map[] = {
{ 4, NULL }, /* extension unit */
{ 16, NULL },
{ 19, NULL },
{ 0 }

2
sound/usb/stream.c
View File

@ -349,7 +349,7 @@ snd_pcm_chmap_elem *convert_chmap_v3(struct uac3_cluster_header_descriptor
* TODO: this conversion is not complete, update it
* after adding UAC3 values to asound.h
*/
switch (is->bChPurpose) {
switch (is->bChRelationship) {
case UAC3_CH_MONO:
map = SNDRV_CHMAP_MONO;
break;

2
sound/usb/usx2y/us122l.c
View File

@ -139,7 +139,7 @@ static void usb_stream_hwdep_vm_open(struct vm_area_struct *area)
snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count));
}
static int usb_stream_hwdep_vm_fault(struct vm_fault *vmf)
static vm_fault_t usb_stream_hwdep_vm_fault(struct vm_fault *vmf)
{
unsigned long offset;
struct page *page;

2
sound/usb/usx2y/usX2Yhwdep.c
View File

@ -31,7 +31,7 @@
#include "usbusx2y.h"
#include "usX2Yhwdep.h"
static int snd_us428ctls_vm_fault(struct vm_fault *vmf)
static vm_fault_t snd_us428ctls_vm_fault(struct vm_fault *vmf)
{
unsigned long offset;
struct page * page;

2
sound/usb/usx2y/usx2yhwdeppcm.c
View File

@ -652,7 +652,7 @@ static void snd_usX2Y_hwdep_pcm_vm_close(struct vm_area_struct *area)
}
static int snd_usX2Y_hwdep_pcm_vm_fault(struct vm_fault *vmf)
static vm_fault_t snd_usX2Y_hwdep_pcm_vm_fault(struct vm_fault *vmf)
{
unsigned long offset;
void *vaddr;