/* * wm8727.c * * Created on: 15-Oct-2009 * Author: neil.jones@imgtec.com * * Copyright (C) 2009 Imagination Technologies Ltd. * * 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. */ #include #include #include #include #include #include #include #include #include #include static const struct snd_soc_dapm_widget wm8727_dapm_widgets[] = { SND_SOC_DAPM_OUTPUT("VOUTL"), SND_SOC_DAPM_OUTPUT("VOUTR"), }; static const struct snd_soc_dapm_route wm8727_dapm_routes[] = { { "VOUTL", NULL, "Playback" }, { "VOUTR", NULL, "Playback" }, }; /* * Note this is a simple chip with no configuration interface, sample rate is * determined automatically by examining the Master clock and Bit clock ratios */ #define WM8727_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\ SNDRV_PCM_RATE_192000) static struct snd_soc_dai_driver wm8727_dai = { .name = "wm8727-hifi", .playback = { .stream_name = "Playback", .channels_min = 2, .channels_max = 2, .rates = WM8727_RATES, .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE, }, }; static const struct snd_soc_codec_driver soc_codec_dev_wm8727 = { .component_driver = { .dapm_widgets = wm8727_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(wm8727_dapm_widgets), .dapm_routes = wm8727_dapm_routes, .num_dapm_routes = ARRAY_SIZE(wm8727_dapm_routes), }, }; static int wm8727_probe(struct platform_device *pdev) { return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8727, &wm8727_dai, 1); } static int wm8727_remove(struct platform_device *pdev) { snd_soc_unregister_codec(&pdev->dev); return 0; } static struct platform_driver wm8727_codec_driver = { .driver = { .name = "wm8727", }, .probe = wm8727_probe, .remove = wm8727_remove, }; module_platform_driver(wm8727_codec_driver); MODULE_DESCRIPTION("ASoC wm8727 driver"); MODULE_AUTHOR("Neil Jones"); MODULE_LICENSE("GPL"); gi/linux/net-next.git/log/tools/build/feature/test-libpython.c'>
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authorTejun Heo <tj@kernel.org>2017-01-26 16:47:28 -0500
committerTejun Heo <tj@kernel.org>2017-01-26 16:47:28 -0500
commit07cd12945551b63ecb1a349d50a6d69d1d6feb4a (patch)
tree75f65eba7eac9277971082a2d5a4cf1370562c0c /tools/build/feature/test-libpython.c
parent7ce7d89f48834cefece7804d38fc5d85382edf77 (diff)
cgroup: don't online subsystems before cgroup_name/path() are operational
While refactoring cgroup creation, a5bca2152036 ("cgroup: factor out cgroup_create() out of cgroup_mkdir()") incorrectly onlined subsystems before the new cgroup is associated with it kernfs_node. This is fine for cgroup proper but cgroup_name/path() depend on the associated kernfs_node and if a subsystem makes the new cgroup_subsys_state visible, which they're allowed to after onlining, it can lead to NULL dereference. The current code performs cgroup creation and subsystem onlining in cgroup_create() and cgroup_mkdir() makes the cgroup and subsystems visible afterwards. There's no reason to online the subsystems early and we can simply drop cgroup_apply_control_enable() call from cgroup_create() so that the subsystems are onlined and made visible at the same time. Signed-off-by: Tejun Heo <tj@kernel.org> Reported-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru> Fixes: a5bca2152036 ("cgroup: factor out cgroup_create() out of cgroup_mkdir()") Cc: stable@vger.kernel.org # v4.6+
Diffstat (limited to 'tools/build/feature/test-libpython.c')