tests/atomic: finish the thread early once an invalid value occurs

diff --git a/tests/contrib/test_atomic.c b/tests/contrib/test_atomic.c
index a2ef876d0ef9719c08ae8603ec41128ec6ae6d6e..4ba93c822f4c23b15322476d106c2f0ef247d4d5 100644 (file)
--- a/tests/contrib/test_atomic.c
+++ b/tests/contrib/test_atomic.c
@@ -83,6 +83,7 @@ static int thread_xchg(struct dthread *thread)
                        // Non-atomic counter, won't be accurate!
                        // However, it's sufficient for fault detection.
                        errors++;
+                       return 0;
                }
        }