cgroup: Remove leftover instances of allow_attach

Fix:

kernel/sched/tune.c:718:2: error:
	unknown field ‘allow_attach’ specified in initializer
kernel/cpuset.c:2087:2: error:
	unknown field 'allow_attach' specified in initializer

Change-Id: Ie524350ffc6158f3182d90095cca502e58b6f197
Fixes: e78f134a78a0 ("CHROMIUM: remove Android's cgroup generic permissions checks")
Signed-off-by: Guenter Roeck <groeck@chromium.org>

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 85737aada4d20dea544bc5079712392d40720ca8..3f9db31c5d043287b7e566fdaace6446ee46e6a1 100644 (file)
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2095,23 +2095,6 @@ static void cpuset_bind(struct cgroup_subsys_state *root_css)
        mutex_unlock(&cpuset_mutex);
 }
 
-static int cpuset_allow_attach(struct cgroup_taskset *tset)
-{
-       const struct cred *cred = current_cred(), *tcred;
-       struct task_struct *task;
-       struct cgroup_subsys_state *css;
-
-       cgroup_taskset_for_each(task, css, tset) {
-               tcred = __task_cred(task);
-
-               if ((current != task) && !capable(CAP_SYS_ADMIN) &&
-                    cred->euid.val != tcred->uid.val && cred->euid.val != tcred->suid.val)
-                       return -EACCES;
-       }
-
-       return 0;
-}
-
 /*
  * Make sure the new task conform to the current state of its parent,
  * which could have been changed by cpuset just after it inherits the
@@ -2132,7 +2115,6 @@ struct cgroup_subsys cpuset_cgrp_subsys = {
        .css_offline    = cpuset_css_offline,
        .css_free       = cpuset_css_free,
        .can_attach     = cpuset_can_attach,
-       .allow_attach   = cpuset_allow_attach,
        .cancel_attach  = cpuset_cancel_attach,
        .attach         = cpuset_attach,
        .post_attach    = cpuset_post_attach,

diff --git a/kernel/sched/tune.c b/kernel/sched/tune.c
index 505d7b35b0e1fd27fb29cb7aa6b039c6ddc7e886..68a24a044b0a4f66cf91ee446608934e17cd3f41 100644 (file)
--- a/kernel/sched/tune.c
+++ b/kernel/sched/tune.c
@@ -368,12 +368,6 @@ void schedtune_enqueue_task(struct task_struct *p, int cpu)
        raw_spin_unlock_irqrestore(&bg->lock, irq_flags);
 }
 
-int schedtune_allow_attach(struct cgroup_taskset *tset)
-{
-       /* We always allows tasks to be moved between existing CGroups */
-       return 0;
-}
-
 int schedtune_can_attach(struct cgroup_taskset *tset)
 {
        struct task_struct *task;
@@ -715,7 +709,6 @@ schedtune_css_free(struct cgroup_subsys_state *css)
 struct cgroup_subsys schedtune_cgrp_subsys = {
        .css_alloc      = schedtune_css_alloc,
        .css_free       = schedtune_css_free,
-       .allow_attach   = schedtune_allow_attach,
        .can_attach     = schedtune_can_attach,
        .cancel_attach  = schedtune_cancel_attach,
        .legacy_cftypes = files,