Quoting Aristeu Rozanski (aris@xxxxxxxxxx):
> In the following patches, device_cgroup structure will have two sets of
> behavior and exceptions list (actual one, another with the local settings)
> so rework the functions to use exception list, not a device_cgroup.
>
> Cc: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Serge Hallyn <serge.hallyn@xxxxxxxxxxxxx>
Acked-by: Serge Hallyn <serge.hallyn@xxxxxxxxxxxxx>
> Signed-off-by: Aristeu Rozanski <aris@xxxxxxxxxx>
>
> ---
> security/device_cgroup.c | 18 +++++++++---------
> 1 file changed, 9 insertions(+), 9 deletions(-)
>
> Index: github/security/device_cgroup.c
> ===================================================================
> --- github.orig/security/device_cgroup.c 2012-11-26 17:13:55.972206330 -0500
> +++ github/security/device_cgroup.c 2012-11-27 11:58:28.025841706 -0500
> @@ -104,7 +104,7 @@
> /*
> * called under devcgroup_mutex
> */
> -static int dev_exception_add(struct dev_cgroup *dev_cgroup,
> +static int dev_exception_add(struct list_head *exceptions,
> struct dev_exception_item *ex)
> {
> struct dev_exception_item *excopy, *walk;
> @@ -115,7 +115,7 @@
> if (!excopy)
> return -ENOMEM;
>
> - list_for_each_entry(walk, &dev_cgroup->exceptions, list) {
> + list_for_each_entry(walk, exceptions, list) {
> if (walk->type != ex->type)
> continue;
> if (walk->major != ex->major)
> @@ -129,21 +129,21 @@
> }
>
> if (excopy != NULL)
> - list_add_tail_rcu(&excopy->list, &dev_cgroup->exceptions);
> + list_add_tail_rcu(&excopy->list, exceptions);
> return 0;
> }
>
> /*
> * called under devcgroup_mutex
> */
> -static void dev_exception_rm(struct dev_cgroup *dev_cgroup,
> +static void dev_exception_rm(struct list_head *exceptions,
> struct dev_exception_item *ex)
> {
> struct dev_exception_item *walk, *tmp;
>
> lockdep_assert_held(&devcgroup_mutex);
>
> - list_for_each_entry_safe(walk, tmp, &dev_cgroup->exceptions, list) {
> + list_for_each_entry_safe(walk, tmp, exceptions, list) {
> if (walk->type != ex->type)
> continue;
> if (walk->major != ex->major)
> @@ -513,10 +513,10 @@
> * don't want to break compatibility
> */
> if (devcgroup->behavior == DEVCG_DEFAULT_ALLOW) {
> - dev_exception_rm(devcgroup, &ex);
> + dev_exception_rm(&devcgroup->exceptions, &ex);
> return 0;
> }
> - return dev_exception_add(devcgroup, &ex);
> + return dev_exception_add(&devcgroup->exceptions, &ex);
> case DEVCG_DENY:
> /*
> * If the default policy is to deny by default, try to remove
> @@ -524,10 +524,10 @@
> * don't want to break compatibility
> */
> if (devcgroup->behavior == DEVCG_DEFAULT_DENY) {
> - dev_exception_rm(devcgroup, &ex);
> + dev_exception_rm(&devcgroup->exceptions, &ex);
> return 0;
> }
> - return dev_exception_add(devcgroup, &ex);
> + return dev_exception_add(&devcgroup->exceptions, &ex);
> default:
> return -EINVAL;
> }
>
> --
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