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sound fixes for 4.17-rc2

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A few small fixes:
 - A fix for the NULL-dereference in rawmidi compat ioctls, triggered
   by fuzzer
 - HD-audio Realtek codec quirks, a VIA controller fixup
 - A long-standing bug fix in LINE6 MIDI
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Merge tag 'sound-4.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A few small fixes:

   - a fix for the NULL-dereference in rawmidi compat ioctls, triggered
     by fuzzer

   - HD-audio Realtek codec quirks, a VIA controller fixup

   - a long-standing bug fix in LINE6 MIDI"

* tag 'sound-4.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: rawmidi: Fix missing input substream checks in compat ioctls
  ALSA: hda/realtek - adjust the location of one mic
  ALSA: hda/realtek - set PINCFG_HEADSET_MIC to parse_flags
  ALSA: hda - New VIA controller suppor no-snoop path
  ALSA: line6: Use correct endpoint type for midi output
This commit is contained in:
Linus Torvalds 2018-04-21 10:32:16 -07:00
commit 5e7c780611
4 changed files with 18 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
sound/core/rawmidi_compat.c
View File

@ -36,8 +36,6 @@ static int snd_rawmidi_ioctl_params_compat(struct snd_rawmidi_file *rfile,
struct snd_rawmidi_params params;
unsigned int val;
if (rfile->output == NULL)
return -EINVAL;
if (get_user(params.stream, &src->stream) ||
get_user(params.buffer_size, &src->buffer_size) ||
get_user(params.avail_min, &src->avail_min) ||
@ -46,8 +44,12 @@ static int snd_rawmidi_ioctl_params_compat(struct snd_rawmidi_file *rfile,
params.no_active_sensing = val;
switch (params.stream) {
case SNDRV_RAWMIDI_STREAM_OUTPUT:
if (!rfile->output)
return -EINVAL;
return snd_rawmidi_output_params(rfile->output, &params);
case SNDRV_RAWMIDI_STREAM_INPUT:
if (!rfile->input)
return -EINVAL;
return snd_rawmidi_input_params(rfile->input, &params);
}
return -EINVAL;
@ -67,16 +69,18 @@ static int snd_rawmidi_ioctl_status_compat(struct snd_rawmidi_file *rfile,
int err;
struct snd_rawmidi_status status;
if (rfile->output == NULL)
return -EINVAL;
if (get_user(status.stream, &src->stream))
return -EFAULT;
switch (status.stream) {
case SNDRV_RAWMIDI_STREAM_OUTPUT:
if (!rfile->output)
return -EINVAL;
err = snd_rawmidi_output_status(rfile->output, &status);
break;
case SNDRV_RAWMIDI_STREAM_INPUT:
if (!rfile->input)
return -EINVAL;
err = snd_rawmidi_input_status(rfile->input, &status);
break;
default:
@ -112,16 +116,18 @@ static int snd_rawmidi_ioctl_status_x32(struct snd_rawmidi_file *rfile,
int err;
struct snd_rawmidi_status status;
if (rfile->output == NULL)
return -EINVAL;
if (get_user(status.stream, &src->stream))
return -EFAULT;
switch (status.stream) {
case SNDRV_RAWMIDI_STREAM_OUTPUT:
if (!rfile->output)
return -EINVAL;
err = snd_rawmidi_output_status(rfile->output, &status);
break;
case SNDRV_RAWMIDI_STREAM_INPUT:
if (!rfile->input)
return -EINVAL;
err = snd_rawmidi_input_status(rfile->input, &status);
break;
default:

3
sound/pci/hda/hda_intel.c
View File

@ -1647,7 +1647,8 @@ static void azx_check_snoop_available(struct azx *chip)
*/
u8 val;
pci_read_config_byte(chip->pci, 0x42, &val);
if (!(val & 0x80) && chip->pci->revision == 0x30)
if (!(val & 0x80) && (chip->pci->revision == 0x30 ||
chip->pci->revision == 0x20))
snoop = false;
}

3
sound/pci/hda/patch_realtek.c
View File

@ -6370,6 +6370,8 @@ static const struct hda_fixup alc269_fixups[] = {
{ 0x19, 0x01a1913c }, /* use as headset mic, without its own jack detect */
{ }
},
.chained = true,
.chain_id = ALC269_FIXUP_HEADSET_MIC
},
};
@ -6573,6 +6575,7 @@ 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, 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),
SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),

2
sound/usb/line6/midi.c
View File

@ -125,7 +125,7 @@ static int send_midi_async(struct usb_line6 *line6, unsigned char *data,
}
usb_fill_int_urb(urb, line6->usbdev,
usb_sndbulkpipe(line6->usbdev,
usb_sndintpipe(line6->usbdev,
line6->properties->ep_ctrl_w),
transfer_buffer, length, midi_sent, line6,
line6->interval);