From: Josh Triplett The for loop in rcutorture_init uses the condition cur_ops = torture_ops[i], cur_ops but then makes the same assignment to cur_ops inside the loop. Remove the redundant assignment inside the loop, and remove now-unnecessary braces. Signed-off-by: Josh Triplett Cc: "Paul E. McKenney" Signed-off-by: Andrew Morton --- kernel/rcutorture.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff -puN kernel/rcutorture.c~rcutorture-remove-redundant-assignment-to-cur_ops-in kernel/rcutorture.c --- a/kernel/rcutorture.c~rcutorture-remove-redundant-assignment-to-cur_ops-in +++ a/kernel/rcutorture.c @@ -503,10 +503,6 @@ static struct rcu_torture_ops sched_ops .name = "sched" }; -static struct rcu_torture_ops *torture_ops[] = - { &rcu_ops, &rcu_sync_ops, &rcu_bh_ops, &rcu_bh_sync_ops, &srcu_ops, - &sched_ops, NULL }; - /* * RCU torture writer kthread. Repeatedly substitutes a new structure * for that pointed to by rcu_torture_current, freeing the old structure @@ -873,16 +869,17 @@ rcu_torture_init(void) int i; int cpu; int firsterr = 0; + static struct rcu_torture_ops *torture_ops[] = + { &rcu_ops, &rcu_sync_ops, &rcu_bh_ops, &rcu_bh_sync_ops, + &srcu_ops, &sched_ops, }; /* Process args and tell the world that the torturer is on the job. */ - - for (i = 0; cur_ops = torture_ops[i], cur_ops; i++) { + for (i = 0; i < ARRAY_SIZE(torture_ops); i++) { cur_ops = torture_ops[i]; - if (strcmp(torture_type, cur_ops->name) == 0) { + if (strcmp(torture_type, cur_ops->name) == 0) break; - } } - if (cur_ops == NULL) { + if (i == ARRAY_SIZE(torture_ops)) { printk(KERN_ALERT "rcutorture: invalid torture type: \"%s\"\n", torture_type); return (-EINVAL); _