Merge branch 'cross-platform/clkdev' into next/cross-platform

[firefly-linux-kernel-4.4.55.git] / security / device_cgroup.c

diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index f77c604239926d464fb2d309675a5e6771ed53a6..1be68269e1c2a2c55e2db2cc46d206539c5f79f3 100644 (file)
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -62,8 +62,7 @@ static inline struct dev_cgroup *task_devcgroup(struct task_struct *task)
 struct cgroup_subsys devices_subsys;
 
 static int devcgroup_can_attach(struct cgroup_subsys *ss,
-               struct cgroup *new_cgroup, struct task_struct *task,
-               bool threadgroup)
+               struct cgroup *new_cgroup, struct task_struct *task)
 {
        if (current != task && !capable(CAP_SYS_ADMIN))
                        return -EPERM;
@@ -470,22 +469,16 @@ struct cgroup_subsys devices_subsys = {
        .name = "devices",
        .can_attach = devcgroup_can_attach,
        .create = devcgroup_create,
-       .destroy  = devcgroup_destroy,
+       .destroy = devcgroup_destroy,
        .populate = devcgroup_populate,
        .subsys_id = devices_subsys_id,
 };
 
-int devcgroup_inode_permission(struct inode *inode, int mask)
+int __devcgroup_inode_permission(struct inode *inode, int mask)
 {
        struct dev_cgroup *dev_cgroup;
        struct dev_whitelist_item *wh;
 
-       dev_t device = inode->i_rdev;
-       if (!device)
-               return 0;
-       if (!S_ISBLK(inode->i_mode) && !S_ISCHR(inode->i_mode))
-               return 0;
-
        rcu_read_lock();
 
        dev_cgroup = task_devcgroup(current);