Blame SOURCES/0006-vdagentd-Automatically-release-agent_data.patch

39f53b
From 21fbcf665a7ad6b761e9342d116657d5c2353592 Mon Sep 17 00:00:00 2001
39f53b
From: Frediano Ziglio <freddy77@gmail.com>
39f53b
Date: Mon, 21 Sep 2020 07:00:39 +0100
39f53b
Subject: [PATCH vd_agent_linux 06/17] vdagentd: Automatically release
39f53b
 "agent_data"
39f53b
MIME-Version: 1.0
39f53b
Content-Type: text/plain; charset=UTF-8
39f53b
Content-Transfer-Encoding: 8bit
39f53b
39f53b
It's not guaranteed that agent_disconnect will release the connection
39f53b
so avoid to have a dandling pointer.
39f53b
39f53b
Signed-off-by: Frediano Ziglio <freddy77@gmail.com>
39f53b
Acked-by: Jakub Janků <jjanku@redhat.com>
39f53b
---
39f53b
 src/vdagentd/vdagentd.c | 17 ++++++++++-------
39f53b
 1 file changed, 10 insertions(+), 7 deletions(-)
39f53b
39f53b
diff --git a/src/vdagentd/vdagentd.c b/src/vdagentd/vdagentd.c
39f53b
index 051de74..94b8681 100644
39f53b
--- a/src/vdagentd/vdagentd.c
39f53b
+++ b/src/vdagentd/vdagentd.c
39f53b
@@ -86,6 +86,13 @@ static uint32_t clipboard_serial[256];
39f53b
 
39f53b
 static GMainLoop *loop;
39f53b
 
39f53b
+static void agent_data_destroy(struct agent_data *agent_data)
39f53b
+{
39f53b
+    g_free(agent_data->session);
39f53b
+    g_free(agent_data->screen_info);
39f53b
+    g_free(agent_data);
39f53b
+}
39f53b
+
39f53b
 static void vdagentd_quit(gint exit_code)
39f53b
 {
39f53b
     retval = exit_code;
39f53b
@@ -930,7 +937,7 @@ static void agent_connect(UdscsConnection *conn)
39f53b
             syslog(LOG_ERR, "Could not get peer PID, disconnecting new client: %s",
39f53b
                             err->message);
39f53b
             g_error_free(err);
39f53b
-            g_free(agent_data);
39f53b
+            agent_data_destroy(agent_data);
39f53b
             udscs_server_destroy_connection(server, conn);
39f53b
             return;
39f53b
         }
39f53b
@@ -938,7 +945,8 @@ static void agent_connect(UdscsConnection *conn)
39f53b
         agent_data->session = session_info_session_for_pid(session_info, pid);
39f53b
     }
39f53b
 
39f53b
-    g_object_set_data(G_OBJECT(conn), "agent_data", agent_data);
39f53b
+    g_object_set_data_full(G_OBJECT(conn), "agent_data", agent_data,
39f53b
+                           (GDestroyNotify) agent_data_destroy);
39f53b
     udscs_write(conn, VDAGENTD_VERSION, 0, 0,
39f53b
                 (uint8_t *)VERSION, strlen(VERSION) + 1);
39f53b
     update_active_session_connection(conn);
39f53b
@@ -951,13 +959,8 @@ static void agent_connect(UdscsConnection *conn)
39f53b
 
39f53b
 static void agent_disconnect(VDAgentConnection *conn, GError *err)
39f53b
 {
39f53b
-    struct agent_data *agent_data = g_object_get_data(G_OBJECT(conn), "agent_data");
39f53b
-
39f53b
     g_hash_table_foreach_remove(active_xfers, remove_active_xfers, conn);
39f53b
 
39f53b
-    g_clear_pointer(&agent_data->session, g_free);
39f53b
-    g_free(agent_data->screen_info);
39f53b
-    g_free(agent_data);
39f53b
     if (err) {
39f53b
         syslog(LOG_ERR, "%s", err->message);
39f53b
         g_error_free(err);
39f53b
-- 
39f53b
2.26.2
39f53b