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linux/include/sound
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Pierre-Louis Bossart 293385739d ALSA: hda: hdac_ext_stream: fix potential locking issues 
commit 868ddfcef31ff93ea8961b2e81ea7fe12f6f144b upstream.

The code for hdac_ext_stream seems inherited from hdac_stream, and
similar locking issues are present: the use of the bus->reg_lock
spinlock is inconsistent, with only writes to specific fields being
protected.

Apply similar fix as in hdac_stream by protecting all accesses to
'link_locked' and 'decoupled' fields, with a new helper
snd_hdac_ext_stream_decouple_locked() added to simplify code
changes.

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20210924192417.169243-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-11-26 10:47:23 +01:00
..
ac97 ASoC: ac97: convert to SPDX identifiers 2018-07-02 10:56:09 +01:00
sof Merge branch 'asoc-5.4' into asoc-next 2019-09-09 14:55:20 +01:00
ac97_codec.h ASoC: ac97: convert to SPDX identifiers 2018-07-02 10:56:09 +01:00
aci.h
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aess.h
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alc5623.h
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compress_driver.h ALSA: compress: fix partial_drain completion state 2020-07-16 08:16:39 +02:00
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dmaengine_pcm.h ASoC: dmaengine: Remove unused SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME flag 2019-02-14 16:17:35 +00:00
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hda_chmap.h
hda_codec.h ALSA: hda: fix jack detection with Realtek codecs when in D3 2020-10-29 09:57:25 +01:00
hda_component.h i915/snd_hdac: I915 subcomponent for the snd_hdac 2019-02-08 16:58:59 +01:00
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hda_i915.h ALSA: hda: Make audio component support more generic 2018-07-17 22:25:48 +02:00
hda_register.h ALSA: hdac: clear link output stream mapping 2019-10-07 03:58:48 +02:00
hda_regmap.h ALSA: hda: Manage concurrent reg access more properly 2020-05-27 17:46:37 +02:00
hda_verbs.h ALSA: hda: add verbs for stripe control 2019-01-14 19:52:23 +01:00
hdaudio_ext.h ALSA: hda: hdac_ext_stream: fix potential locking issues 2021-11-26 10:47:23 +01:00
hdaudio.h ALSA: hda: Manage concurrent reg access more properly 2020-05-27 17:46:37 +02:00
hdmi-codec.h ASoC: hdmi-codec: Add an op to set callback function for plug event 2019-09-09 14:50:03 +01:00
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l3.h
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max9768.h
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pcm_drm_eld.h
pcm_iec958.h
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rawmidi.h ALSA: rawmidi: Fix racy buffer resize under concurrent accesses 2020-05-20 08:20:30 +02:00
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snd_wavefront.h
soc-acpi-intel-match.h ASoC: Intel: common: add ACPI matching tables for EHL 2019-08-15 18:13:21 +01:00
soc-acpi.h ASoC: soc-acpi: remove new_mach_data field 2019-02-12 16:56:06 +00:00
soc-component.h ASoC: soc-component: add snd_soc_pcm_component_pcm_free() 2019-08-05 16:27:16 +01:00
soc-dai.h ASoC: soc-dai: use bit field for bus_control 2019-08-22 18:30:26 +01:00
soc-dapm.h Merge branch 'asoc-5.4' into asoc-next 2019-09-09 14:55:20 +01:00
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