/* * Driver for ADAU1381/ADAU1781 CODEC * * Copyright 2014 Analog Devices Inc. * Author: Lars-Peter Clausen * * Licensed under the GPL-2. */ #include #include #include #include #include #include "adau1781.h" static int adau1781_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct regmap_config config; config = adau1781_regmap_config; config.val_bits = 8; config.reg_bits = 16; return adau1781_probe(&client->dev, devm_regmap_init_i2c(client, &config), id->driver_data, NULL); } static int adau1781_i2c_remove(struct i2c_client *client) { adau17x1_remove(&client->dev); return 0; } static const struct i2c_device_id adau1781_i2c_ids[] = { { "adau1381", ADAU1381 }, { "adau1781", ADAU1781 }, { } }; MODULE_DEVICE_TABLE(i2c, adau1781_i2c_ids); #if defined(CONFIG_OF) static const struct of_device_id adau1781_i2c_dt_ids[] = { { .compatible = "adi,adau1381", }, { .compatible = "adi,adau1781", }, { }, }; MODULE_DEVICE_TABLE(of, adau1781_i2c_dt_ids); #endif static struct i2c_driver adau1781_i2c_driver = { .driver = { .name = "adau1781", .of_match_table = of_match_ptr(adau1781_i2c_dt_ids), }, .probe = adau1781_i2c_probe, .remove = adau1781_i2c_remove, .id_table = adau1781_i2c_ids, }; module_i2c_driver(adau1781_i2c_driver); MODULE_DESCRIPTION("ASoC ADAU1381/ADAU1781 CODEC I2C driver"); MODULE_AUTHOR("Lars-Peter Clausen "); MODULE_LICENSE("GPL"); able>
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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 /net/packet/diag.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 'net/packet/diag.c')