# # Ux500 SoC audio configuration # menuconfig SND_SOC_UX500 tristate "SoC Audio support for Ux500 platform" depends on SND_SOC depends on MFD_DB8500_PRCMU help Say Y if you want to enable ASoC-support for any of the Ux500 platforms (e.g. U8500). config SND_SOC_UX500_PLAT_MSP_I2S tristate depends on SND_SOC_UX500 config SND_SOC_UX500_PLAT_DMA tristate "Platform - DB8500 (DMA)" depends on SND_SOC_UX500 select SND_SOC_GENERIC_DMAENGINE_PCM help Say Y if you want to enable the Ux500 platform-driver. config SND_SOC_UX500_MACH_MOP500 tristate "Machine - MOP500 (Ux500 + AB8500)" depends on AB8500_CORE && AB8500_GPADC && SND_SOC_UX500 select SND_SOC_AB8500_CODEC select SND_SOC_UX500_PLAT_MSP_I2S select SND_SOC_UX500_PLAT_DMA help Select this to enable the MOP500 machine-driver. This will enable platform-drivers for: Ux500 This will enable codec-drivers for: AB8500 n' name='id' value='ac6e058b75be71208e98a5808453aae9a17be480'/> net-next plumbingsTobias Klauser
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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/ceph
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/ceph')