2.x: fix incorrect error message at SubscriptionHelper.setOnce (#5623)

ReactiveX · Sep 27, 2017 · 8c5bd1d · 8c5bd1d
1 parent ad8ca8e
commit 8c5bd1d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/main/java/io/reactivex/internal/subscriptions/SubscriptionHelper.java b/src/main/java/io/reactivex/internal/subscriptions/SubscriptionHelper.java
@@ -137,7 +137,7 @@ public static boolean set(AtomicReference<Subscription> field, Subscription s) {
      * @return true if the operation succeeded, false if the target field was not null.
      */
     public static boolean setOnce(AtomicReference<Subscription> field, Subscription s) {
-        ObjectHelper.requireNonNull(s, "d is null");
+        ObjectHelper.requireNonNull(s, "s is null");
         if (!field.compareAndSet(null, s)) {
             s.cancel();
             if (field.get() != CANCELLED) {