cpuset: drop spurious retval assignment in proc_cpuset_show()

proc_cpuset_show() has a spurious -EINVAL assignment which does
nothing.  Remove it.

This patch doesn't make any functional difference.

tj: Rewrote patch description.

Signed-off-by: Li Zefan <lizefan@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 1a675e4..16be7c9 100644 (file)
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -2677,7 +2677,6 @@ static int proc_cpuset_show(struct seq_file *m, void *unused_v)
        if (!tsk)
                goto out_free;
 
-       retval = -EINVAL;
        rcu_read_lock();
        css = task_subsys_state(tsk, cpuset_subsys_id);
        retval = cgroup_path(css->cgroup, buf, PAGE_SIZE);