netsniff-ng.git - A high-performance Linux networking toolkit

Age	Commit message (Expand)	Author	Files	Lines
2014-09-03	build: Add continuous integration support via travis-ci	Tobias Klauser	1	-0/+1
2013-07-12	gitignore: add config.log file to git ignore	Daniel Borkmann	1	-0/+1
2013-07-09	configure: let configure script generate config.h file	Daniel Borkmann	1	-0/+1
2013-06-24	gitignore: Ignore generated Config	Tobias Klauser	1	-0/+3
2013-05-21	misc: Ignore files generated by cscope/ctags	Tobias Klauser	1	-0/+4
2013-05-05	misc: move file to source root	Daniel Borkmann	1	-1/+1
2013-03-15	build: add make release target	Daniel Borkmann	1	-0/+3
2013-03-15	all: import netsniff-ng 0.5.8-rc0 source	Daniel Borkmann	1	-0/+42

ce7d89f48834cefece7804d38fc5d85382edf77 (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 'sound/usb/bcd2000/Makefile')