for_each_subsys(root, ss) {
                if (ss->can_attach) {
                        retval = ss->can_attach(ss, cgrp, tsk);
-                       if (retval) {
+                       if (retval)
                                return retval;
-                       }
                }
        }
 
         * based on its final set of cgroups
         */
        newcg = find_css_set(cg, cgrp);
-       if (!newcg) {
+       if (!newcg)
                return -ENOMEM;
-       }
 
        task_lock(tsk);
        if (tsk->flags & PF_EXITING) {
        write_unlock(&css_set_lock);
 
        for_each_subsys(root, ss) {
-               if (ss->attach) {
+               if (ss->attach)
                        ss->attach(ss, cgrp, oldcgrp, tsk);
-               }
        }
        set_bit(CGRP_RELEASABLE, &oldcgrp->flags);
        synchronize_rcu();
        {
                struct cgroupfs_root *root = cgrp->root;
                /* Strip trailing newline */
-               if (nbytes && (buffer[nbytes-1] == '\n')) {
+               if (nbytes && (buffer[nbytes-1] == '\n'))
                        buffer[nbytes-1] = 0;
-               }
 
                /* We never write anything other than '\0'
                 * into the last char of release_agent_path,
                 * matter, since it can only happen if the cgroup
                 * has been deleted and hence no longer needs the
                 * release agent to be called anyway. */
-               if (css && atomic_read(&css->refcnt)) {
+               if (css && atomic_read(&css->refcnt))
                        return 1;
-               }
        }
        return 0;
 }