rcutorture: Small code cleanups

The rcu_torture_cleanup() function fails to NULL out the reader_tasks
pointer after freeing it and its fakewriter_tasks loop has redundant
braces.  This commit therefore cleans these up.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 4391d2fab5de54d8c9e2fa4f38ab2d8971f7fb37..e7d52fded3cd03152a7bd8530e92d71510865bdf 100644 (file)
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -2496,13 +2496,13 @@ rcu_torture_cleanup(void)
                        torture_stop_kthread(rcu_torture_reader,
                                             reader_tasks[i]);
                kfree(reader_tasks);
+               reader_tasks = NULL;
        }
 
        if (fakewriter_tasks) {
-               for (i = 0; i < nfakewriters; i++) {
+               for (i = 0; i < nfakewriters; i++)
                        torture_stop_kthread(rcu_torture_fakewriter,
                                             fakewriter_tasks[i]);
-               }
                kfree(fakewriter_tasks);
                fakewriter_tasks = NULL;
        }