module: use list_for_each_entry_rcu() on find_module_all()

The module list has been using RCU in a lot of other calls
for a while now, we just overlooked changing this one over to
use RCU.

Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
Signed-off-by: Jessica Yu <jeyu@kernel.org>

kernel/module.c

@@ -603,7 +603,7 @@ static struct module *find_module_all(const char *name, size_t len,
 
 	module_assert_mutex_or_preempt();
 
-	list_for_each_entry(mod, &modules, list) {
+	list_for_each_entry_rcu(mod, &modules, list) {
 		if (!even_unformed && mod->state == MODULE_STATE_UNFORMED)
 			continue;
 		if (strlen(mod->name) == len && !memcmp(mod->name, name, len))