This line is unreachable, remove it.
[akpm@linux-foundation.org: remove unneeded initialisation of `err']
Signed-off-by: WANG Cong <amwang@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 static int semctl_nolock(struct ipc_namespace *ns, int semid,
                         int cmd, int version, union semun arg)
 {
-       int err = -EINVAL;
+       int err;
        struct sem_array *sma;
 
        switch(cmd) {
        default:
                return -EINVAL;
        }
-       return err;
 out_unlock:
        sem_unlock(sma);
        return err;