Perl: avoid redirects on errors.

Previously, redirects scheduled with $r->internal_redirect() were followed
even if the code then died.  Now these are ignored and nginx will return
an error instead.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/http/modules/perl/ngx_http_perl_module.c b/src/http/modules/perl/ngx_http_perl_module.c
index a383e9002..81b2526ad 100644
--- a/src/http/modules/perl/ngx_http_perl_module.c
+++ b/src/http/modules/perl/ngx_http_perl_module.c
@@ -778,6 +778,8 @@ ngx_http_perl_call_handler(pTHX_ ngx_http_request_t *r,
             return NGX_ERROR;
         }
 
+        ctx->redirect_uri.len = 0;
+
         return NGX_HTTP_INTERNAL_SERVER_ERROR;
     }