From ea3662d21b4984ea8ff5f7c1419aefde0dd7908b Mon Sep 17 00:00:00 2001
From: sgibb <sgibb@pivotal.io>
Date: Thu, 21 Mar 2024 15:27:24 -0400
Subject: [PATCH] Polish gh-2971 Adds while loop comment.

---
 .../cloud/gateway/filter/RemoveCachedBodyFilter.java          | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/spring-cloud-gateway-server/src/main/java/org/springframework/cloud/gateway/filter/RemoveCachedBodyFilter.java b/spring-cloud-gateway-server/src/main/java/org/springframework/cloud/gateway/filter/RemoveCachedBodyFilter.java
index b052ed36..5307cb98 100644
--- a/spring-cloud-gateway-server/src/main/java/org/springframework/cloud/gateway/filter/RemoveCachedBodyFilter.java
+++ b/spring-cloud-gateway-server/src/main/java/org/springframework/cloud/gateway/filter/RemoveCachedBodyFilter.java
@@ -41,7 +41,9 @@ public class RemoveCachedBodyFilter implements GlobalFilter, Ordered {
 						log.trace("releasing cached body in exchange attribute");
 					}
 					// ensure proper release
-					while(!dataBuffer.release()) {}
+					while (!dataBuffer.release()) {
+						// release() counts down until zero, will never be infinite loop
+					}
 				}
 			}
 		});