Avoid unnecessary pass through the loop.

Signed-off-by: Bradley Grainger <[email protected]>

Author: bgrainger

src/MySqlConnector/Core/SingleCommandPayloadCreator.cs

@@ -68,7 +68,7 @@ public async ValueTask SendCommandPrologueAsync(MySqlConnection connection, Comm
 									else
 										bytesRead = await stream.ReadAsync(buffer, packetHeaderLength + totalBytesRead, sizeToRead, cancellationToken).ConfigureAwait(false);
 									totalBytesRead += bytesRead;
-								} while (bytesRead > 0);
+								} while (bytesRead > 0 && totalBytesRead < maxDataSize);
 #endif
 
 								if (totalBytesRead == 0)