Index: modules/dav/main/mod_dav.c
===================================================================
--- modules/dav/main/mod_dav.c	(revision 267220)
+++ modules/dav/main/mod_dav.c	(working copy)
@@ -430,6 +430,10 @@
 {
     apr_text *t = NULL;
 
+    if (output->c && output->c->aborted) {
+        return;
+    }
+
     if (response->propresult.xmlns == NULL) {
       ap_fputs(output, bb, "<D:response>");
     }
@@ -515,6 +519,10 @@
 {
     apr_bucket *b;
     
+    if (r->connection->aborted) {
+        return APR_ECONNABORTED;
+    }
+
     ap_fputs(r->output_filters, bb, "</D:multistatus>" DEBUG_CR);
     
     /* indicate the end of the response body */