lib-http: http-server-connection - Fix segfault occurring when output is resumed...

diff --git a/src/lib-http/http-server-connection.c b/src/lib-http/http-server-connection.c
index 801a7037f1061f2f46ccc071e8f4413112be92a3..ad704eabedc9e1ef8f41c4a46a4590470439574e 100644 (file)
--- a/src/lib-http/http-server-connection.c
+++ b/src/lib-http/http-server-connection.c
@@ -929,11 +929,14 @@ void http_server_connection_output_halt(struct http_server_connection *conn)
 
 void http_server_connection_output_resume(struct http_server_connection *conn)
 {
-       if (conn->output_halted) {
-               conn->output_halted = FALSE;
-               o_stream_set_flush_callback(conn->conn.output,
-                                           http_server_connection_output, conn);
-       }
+       if (!conn->output_halted)
+               return;
+       conn->output_halted = FALSE;
+
+       if (conn->conn.output == NULL)
+               return;
+       o_stream_set_flush_callback(conn->conn.output,
+                                   http_server_connection_output, conn);
 }
 
 bool http_server_connection_pending_payload(