OMAP: dmtimer: enable all timers to be wakeup events

[linux-2.6-omap-h63xx.git] / kernel / cgroup.c

diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 5a54ff42874ee916997139c859b8cfda725b9a33..c500ca7239b21a465831e2b3f0454f14505ff3e9 100644 (file)
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -1071,7 +1071,8 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
                mutex_unlock(&cgroup_mutex);
        }
 
-       return simple_set_mnt(mnt, sb);
+       simple_set_mnt(mnt, sb);
+       return 0;
 
  free_cg_links:
        free_cg_links(&tmp_cg_links);
@@ -1122,8 +1123,8 @@ static void cgroup_kill_sb(struct super_block *sb) {
 
        mutex_unlock(&cgroup_mutex);
 
-       kfree(root);
        kill_litter_super(sb);
+       kfree(root);
 }
 
 static struct file_system_type cgroup_fs_type = {
@@ -1627,7 +1628,7 @@ static struct inode_operations cgroup_dir_inode_operations = {
 static int cgroup_create_file(struct dentry *dentry, int mode,
                                struct super_block *sb)
 {
-       static struct dentry_operations cgroup_dops = {
+       static const struct dentry_operations cgroup_dops = {
                .d_iput = cgroup_diput,
        };
 
@@ -2351,7 +2352,7 @@ static void cgroup_lock_hierarchy(struct cgroupfs_root *root)
        for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
                struct cgroup_subsys *ss = subsys[i];
                if (ss->root == root)
-                       mutex_lock_nested(&ss->hierarchy_mutex, i);
+                       mutex_lock(&ss->hierarchy_mutex);
        }
 }
 
@@ -2637,6 +2638,7 @@ static void __init cgroup_init_subsys(struct cgroup_subsys *ss)
        BUG_ON(!list_empty(&init_task.tasks));
 
        mutex_init(&ss->hierarchy_mutex);
+       lockdep_set_class(&ss->hierarchy_mutex, &ss->subsys_key);
        ss->active = 1;
 }