From 391ef5e42cc79982a28aaaf22e9f9b255f6910d3 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Tue, 10 Jul 2018 20:16:37 -0400
Subject: Explain why we use raw_free with getdelim result.

---
 src/feature/dircache/dirserv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/feature/dircache/dirserv.c b/src/feature/dircache/dirserv.c
index 57de6ab8ed..1500467ec0 100644
--- a/src/feature/dircache/dirserv.c
+++ b/src/feature/dircache/dirserv.c
@@ -2682,8 +2682,10 @@ dirserv_read_measured_bandwidths(const char *from_file,
   rv = 0;
 
  err:
-  if (line)
+  if (line) {
+    // we need to raw_free this buffer because we got it from tor_getdelim()
     raw_free(line);
+  }
   if (fp)
     fclose(fp);
   return rv;
-- 
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