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| author | Pavel Emelyanov <xemul@openvz.org> | 2008-06-05 22:46:24 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-06 11:29:11 -0700 |
| commit | b66862f7663332aa1ecb3ebda4086360ddb8befc (patch) | |
| tree | 8ba5a907f4bafad460cef4d6c573b9f5aae957e5 /security | |
| parent | 93b071139a956e51c98cdefd50a47981a4eb852e (diff) | |
| download | op-kernel-dev-b66862f7663332aa1ecb3ebda4086360ddb8befc.zip op-kernel-dev-b66862f7663332aa1ecb3ebda4086360ddb8befc.tar.gz | |
devcgroup: make a helper to convert cgroup_subsys_state to devs_cgroup
This is just picking the container_of out of cgroup_to_devcgroup into a
separate function.
This new css_to_devcgroup will be used in the 2nd patch.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: Paul Menage <menage@google.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: James Morris <jmorris@namei.org>
Cc: Chris Wright <chrisw@sous-sol.org>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'security')
| -rw-r--r-- | security/device_cgroup.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/security/device_cgroup.c b/security/device_cgroup.c index 4ea5836..15f2f80 100644 --- a/security/device_cgroup.c +++ b/security/device_cgroup.c @@ -49,10 +49,14 @@ struct dev_cgroup { spinlock_t lock; }; +static inline struct dev_cgroup *css_to_devcgroup(struct cgroup_subsys_state *s) +{ + return container_of(s, struct dev_cgroup, css); +} + static inline struct dev_cgroup *cgroup_to_devcgroup(struct cgroup *cgroup) { - return container_of(cgroup_subsys_state(cgroup, devices_subsys_id), - struct dev_cgroup, css); + return css_to_devcgroup(cgroup_subsys_state(cgroup, devices_subsys_id)); } struct cgroup_subsys devices_subsys; |
