/* * u_rndis.h * * Utility definitions for the subset function * * Copyright (c) 2013 Samsung Electronics Co., Ltd. * http://www.samsung.com * * Author: Andrzej Pietrasiewicz * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef U_RNDIS_H #define U_RNDIS_H #include struct f_rndis_opts { struct usb_function_instance func_inst; u32 vendor_id; const char *manufacturer; struct net_device *net; bool bound; bool borrowed_net; struct usb_os_desc rndis_os_desc; char rndis_ext_compat_id[16]; /* * Read/write access to configfs attributes is handled by configfs. * * This is to protect the data from concurrent access by read/write * and create symlink/remove symlink. */ struct mutex lock; int refcnt; }; void rndis_borrow_net(struct usb_function_instance *f, struct net_device *net); #endif /* U_RNDIS_H */ aclite-cleanup'>emaclite-cleanup 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 /fs/adfs/dir_fplus.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 'fs/adfs/dir_fplus.c')