diff --git a/scrapy/trunk/scrapy/contrib/downloadermiddleware/redirect.py b/scrapy/trunk/scrapy/contrib/downloadermiddleware/redirect.py
index 898feb89f..c81fbc8c8 100644
--- a/scrapy/trunk/scrapy/contrib/downloadermiddleware/redirect.py
+++ b/scrapy/trunk/scrapy/contrib/downloadermiddleware/redirect.py
@@ -16,46 +16,29 @@ MAX_REDIRECT_LOOP = 10
 
 class RedirectMiddleware(object):
     def process_exception(self, request, exception, spider):
-        if isinstance(exception, HttpException):
-            status = exception.status
-            response = exception.response
+        if not isinstance(exception, HttpException):
+            return
 
-            if status in [302, 303]:
-                redirected_url = urljoin(request.url, response.headers['location'][0])
-                if not getattr(spider, "no_redirect", False):
-                    redirected = request.replace(url=redirected_url, method='GET', body=None)
-                    # This is needed to avoid redirection loops with requests that contain dont_filter = True
-                    # Example (9 May 2008): http://www.55max.com/product/001_photography.asp?3233,0,0,0,Michael+Banks
-                    if isinstance(redirected.dont_filter, int):
-                        if not hasattr(redirected, "original_dont_filter"):
-                            redirected.original_dont_filter = redirected.dont_filter
-                        if redirected.dont_filter <= -MAX_REDIRECT_LOOP:
-                            raise RedirectLoop("Exited redirect loop with %s consecutive visits to the same url." % (redirected.original_dont_filter + MAX_REDIRECT_LOOP) )
-                        redirected.dont_filter -= 1
-                    else:
-                        redirected.dont_filter = False
-                    log.msg("Redirecting (%d) to %s from %s" % (status, redirected, request), level=log.DEBUG, domain=spider.domain_name)
-                    return redirected
-                log.msg("Ignored redirecting (%d) to %s from %s (disabled by spider)" % (status, redirected_url, request), level=log.DEBUG, domain=spider.domain_name)
-                return response
+        status = exception.status
+        response = exception.response
 
-            if status in [301, 307]:
-                redirected_url = urljoin(request.url, response.headers['location'][0])
-                if not getattr(spider, "no_redirect", False):
-                    redirected = request.replace(url=redirected_url)
-                    # This is needed to avoid redirection loops with requests that contain dont_filter = True
-                    # Example (9 May 2008): http://www.55max.com/product/001_photography.asp?3233,0,0,0,Michael+Banks
-                    redirected.dont_filter = False
-                    log.msg("Redirecting (%d) to %s from %s" % (status, redirected, request), level=log.DEBUG, domain=spider.domain_name)
-                    return redirected
-                log.msg("Ignored redirecting (%d) to %s from %s (disabled by spider)" % (status, redirected_url, request), level=log.DEBUG, domain=spider.domain_name)
-                return response
+        if status in set([302, 303]):
+            redirected_url = urljoin(request.url, response.headers['location'][0])
+            redirected = request.replace(url=redirected_url, method='GET', body=None)
+            log.msg("Redirecting (%d) to %s from %s" % (status, redirected, request), level=log.DEBUG, domain=spider.domain_name)
+            return redirected
+
+        if status in [301, 307]:
+            redirected_url = urljoin(request.url, response.headers['location'][0])
+            redirected = request.replace(url=redirected_url)
+            log.msg("Redirecting (%d) to %s from %s" % (status, redirected, request), level=log.DEBUG, domain=spider.domain_name)
+            return redirected
 
     def process_response(self, request, response, spider):
-        if isinstance(response, Response):
-            interval, url = get_meta_refresh(response)
-            if url and int(interval) < META_REFRESH_MAXSEC:
-                redirected = request.replace(url=urljoin(request.url, url))
-                log.msg("Redirecting (meta refresh) to %s from %s" % (redirected, request), level=log.DEBUG, domain=spider.domain_name)
-                return redirected
+        interval, url = get_meta_refresh(response)
+        if url and int(interval) < META_REFRESH_MAXSEC:
+            redirected = request.replace(url=urljoin(request.url, url))
+            log.msg("Redirecting (meta refresh) to %s from %s" % (redirected, request), level=log.DEBUG, domain=spider.domain_name)
+            return redirected
+
         return response