Properly raise an exception when the body exceeds the max size. (#9145)

...instead of just creating the exception object and doing nothing with it.

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py

index b7103d6541..19293bf673 100644
--- a/synapse/http/matrixfederationclient.py
+++ b/synapse/http/matrixfederationclient.py
@@ -996,7 +996,7 @@ class MatrixFederationHttpClient:
             logger.warning(
                 "{%s} [%s] %s", request.txn_id, request.destination, msg,
             )
-            SynapseError(502, msg, Codes.TOO_LARGE)
+            raise SynapseError(502, msg, Codes.TOO_LARGE)
         except Exception as e:
             logger.warning(
                 "{%s} [%s] Error reading response: %s",