From 674ef53a7e953a724b4f3bfe2f1e06ba2897bba2 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Fri, 2 Nov 2018 13:32:43 -0400
Subject: [PATCH] Add a warning if we can't write networkstatus-bridges

Fixes CID 1440818.
---
 src/feature/nodelist/networkstatus.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/feature/nodelist/networkstatus.c b/src/feature/nodelist/networkstatus.c
index ec1a69b9e2..f1def9afb1 100644
--- a/src/feature/nodelist/networkstatus.c
+++ b/src/feature/nodelist/networkstatus.c
@@ -2403,7 +2403,9 @@ networkstatus_dump_bridge_status_to_file(time_t now)
                published, thresholds, fingerprint_line ? fingerprint_line : "",
                status);
   fname = get_datadir_fname("networkstatus-bridges");
-  write_str_to_file(fname,published_thresholds_and_status,0);
+  if (write_str_to_file(fname,published_thresholds_and_status,0)<0) {
+    log_warn(LD_DIRSERV, "Unable to write networkstatus-bridges file.");
+  }
   tor_free(thresholds);
   tor_free(published_thresholds_and_status);
   tor_free(fname);