diff options
| author | Pavel Emelyanov | 2008-06-06 07:46:24 +0200 |
|---|---|---|
| committer | Linus Torvalds | 2008-06-06 20:29:11 +0200 |
| commit | b66862f7663332aa1ecb3ebda4086360ddb8befc (patch) | |
| tree | 8ba5a907f4bafad460cef4d6c573b9f5aae957e5 /security/device_cgroup.c | |
| parent | introduce memory_read_from_buffer() (diff) | |
| download | kernel-qcow2-linux-b66862f7663332aa1ecb3ebda4086360ddb8befc.tar.gz kernel-qcow2-linux-b66862f7663332aa1ecb3ebda4086360ddb8befc.tar.xz kernel-qcow2-linux-b66862f7663332aa1ecb3ebda4086360ddb8befc.zip | |
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/device_cgroup.c')
| -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 4ea583689eec..15f2f8003ba3 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; |