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pulse-server: reorder initialization to make proper cleanup possible

Browse source 
Previously, in case of errors, the struct members were not disposed of
correctly, leading to memory leaks. Reordering the initialization slightly
makes it possible to call `impl_free()`.

See https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/1840#note_2106874
This commit is contained in:
Barnabás Pőcze 2023-09-29 18:19:13 +02:00
parent bcc902a55e
commit 37b2633756
1 changed files with 25 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

49
src/modules/module-protocol-pulse/pulse-server.c
View file

@ -5483,9 +5483,23 @@ struct pw_protocol_pulse *pw_protocol_pulse_new(struct pw_context *context,
const char *str;
int res = 0;
debug_messages = pw_log_topic_enabled(SPA_LOG_LEVEL_INFO, pulse_conn);
impl = calloc(1, sizeof(*impl) + user_data_size);
if (impl == NULL)
goto error_exit;
goto error_free_props;
impl->rate_limit.interval = 2 * SPA_NSEC_PER_SEC;
impl->rate_limit.burst = 1;
spa_hook_list_init(&impl->hooks);
spa_list_init(&impl->servers);
pw_map_init(&impl->samples, 16, 16);
pw_map_init(&impl->modules, 16, 16);
spa_list_init(&impl->cleanup_clients);
spa_list_init(&impl->free_messages);
impl->loop = pw_context_get_main_loop(context);
impl->work_queue = pw_context_get_work_queue(context);
if (props == NULL)
props = pw_properties_new(NULL, NULL);
@ -5503,25 +5517,6 @@ struct pw_protocol_pulse *pw_protocol_pulse_new(struct pw_context *context,
pw_properties_set(props, "vm.overrides", NULL);
}
load_defaults(&impl->defs, props);
debug_messages = pw_log_topic_enabled(SPA_LOG_LEVEL_INFO, pulse_conn);
impl->context = context;
impl->loop = pw_context_get_main_loop(context);
impl->props = props;
impl->work_queue = pw_context_get_work_queue(context);
spa_hook_list_init(&impl->hooks);
spa_list_init(&impl->servers);
impl->rate_limit.interval = 2 * SPA_NSEC_PER_SEC;
impl->rate_limit.burst = 1;
pw_map_init(&impl->samples, 16, 16);
pw_map_init(&impl->modules, 16, 16);
spa_list_init(&impl->cleanup_clients);
spa_list_init(&impl->free_messages);
str = pw_properties_get(props, "server.address");
if (str == NULL) {
pw_properties_setf(props, "server.address",
@ -5544,8 +5539,6 @@ struct pw_protocol_pulse *pw_protocol_pulse_new(struct pw_context *context,
pw_log_warn("%p: can't create pid file: %s",
impl, spa_strerror(res));
}
pw_context_add_listener(context, &impl->context_listener,
&context_events, impl);
#ifdef HAVE_DBUS
str = pw_properties_get(props, "server.dbus-name");
@ -5554,14 +5547,22 @@ struct pw_protocol_pulse *pw_protocol_pulse_new(struct pw_context *context,
if (strlen(str) > 0)
impl->dbus_name = dbus_request_name(context, str);
#endif
load_defaults(&impl->defs, props);
impl->props = spa_steal_ptr(props);
pw_context_add_listener(context, &impl->context_listener,
&context_events, impl);
impl->context = context;
cmd_run(impl);
return (struct pw_protocol_pulse *) impl;
error_free:
free(impl);
impl_free(impl);
error_exit:
error_free_props:
pw_properties_free(props);
if (res < 0)