[mod_compress] fix handling if etags are disabled but cache-dir is set - may lead to double response

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2826 152afb58-edef-0310-8abb-c4023f1b3aa9

NEWS

@@ -6,6 +6,7 @@ NEWS
 - 1.4.31 -
   * [ssl] fix segfault in counting renegotiations for openssl versions without TLSEXT/SNI
   * Move fdevent subsystem includes to implementation files to reduce conflicts (fixes #2373)
+  * [mod_compress] fix handling if etags are disabled but cache-dir is set - may lead to double response
 
 - 1.4.30 - 2011-12-18
   * Always use our 'own' md5 implementation, fixes linking issues on MacOS (fixes #2331)

src/mod_compress.c

@@ -826,7 +826,7 @@ PHYSICALPATH_FUNC(mod_compress_physical) {
 					}
 					response_header_overwrite(srv, con, CONST_STR_LEN("Content-Type"), CONST_BUF_LEN(sce->content_type));
 					/* let mod_staticfile handle the cached compressed files, physical path was modified */
-					return p->conf.compress_cache_dir->used ? HANDLER_GO_ON : HANDLER_FINISHED;
+					return (use_etag && p->conf.compress_cache_dir->used) ? HANDLER_GO_ON : HANDLER_FINISHED;
 				}
 			}
 		}