diff --git a/django/http/request.py b/django/http/request.py
index 3440e3b95d..4e4447f35f 100644
--- a/django/http/request.py
+++ b/django/http/request.py
@@ -346,11 +346,7 @@ class HttpRequest:
             raise UnreadablePostError(*e.args) from e
 
     def __iter__(self):
-        while True:
-            buf = self.readline()
-            if not buf:
-                break
-            yield buf
+        return iter(self.readline, b'')
 
     def xreadlines(self):
         warnings.warn(