[tor-commits] [tor/master] Close and free channel_tls_listener correctly in channel_tls_free_all()

[andrea@xxxxxxxxxxxxxx]

commit ac227cf587c17fb2bdd10de4b320ea4df3632cd8
Author: Andrea Shepard <andrea@xxxxxxxxxxxxxx>
Date:   Mon Oct 15 11:37:14 2012 -0700

    Close and free channel_tls_listener correctly in channel_tls_free_all()
---
 src/or/channeltls.c |   20 ++++++++++++++++----
 1 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/or/channeltls.c b/src/or/channeltls.c
index 1a2956b..62bb18b 100644
--- a/src/or/channeltls.c
+++ b/src/or/channeltls.c
@@ -216,14 +216,26 @@ channel_tls_start_listener(void)
 void
 channel_tls_free_all(void)
 {
+  channel_listener_t *old_listener = NULL;
+
   log_debug(LD_CHANNEL,
             "Shutting down TLS channels...");
 
   if (channel_tls_listener) {
-    channel_listener_unregister(channel_tls_listener);
-    channel_listener_mark_for_close(channel_tls_listener);
-    channel_listener_free(channel_tls_listener);
-    channel_tls_listener = NULL;
+    /*
+     * When we close it, channel_tls_listener will get nulled out, so save
+     * a pointer so we can free it.
+     */
+    old_listener = channel_tls_listener;
+    log_debug(LD_CHANNEL,
+              "Closing channel_tls_listener with ID " U64_FORMAT
+              " at %p.",
+              U64_PRINTF_ARG(old_listener->global_identifier),
+              old_listener);
+    channel_listener_unregister(old_listener);
+    channel_listener_mark_for_close(old_listener);
+    channel_listener_free(old_listener);
+    tor_assert(channel_tls_listener == NULL);
   }
 
   log_debug(LD_CHANNEL,



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