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pulse-server: module-combine-sink: remove hooks

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Remove hooks when the module is unloaded to avoid
use-after-free issues. Remove the cleanup source as well.

Fixes #1259.
This commit is contained in:
Barnabás Pőcze 2021-06-04 02:26:17 +02:00 • committed by Wim Taymans
parent 4cb87317a7
commit e65afe8fa2
1 changed files with 17 additions and 3 deletions
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20
src/modules/module-protocol-pulse/modules/module-combine-sink.c
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@ -284,8 +284,11 @@ static const struct pw_manager_events manager_events = {
.added = manager_added,
};
static void cleanup_stream(struct combine_stream *s) {
static void cleanup_stream(struct combine_stream *s)
{
spa_hook_remove(&s->stream_listener);
pw_stream_destroy(s->stream);
s->stream = NULL;
s->data = NULL;
s->cleanup = false;
@ -370,20 +373,31 @@ static int module_combine_sink_unload(struct client *client, struct module *modu
pw_log_info("unload module %p id:%u name:%s", module, module->idx, module->name);
if (d->cleanup != NULL)
pw_loop_destroy_source(module->impl->loop, d->cleanup);
/* Note that we explicitly disconnect the hooks to avoid having the
* cleanup triggered again in those callbacks */
if (d->sink != NULL) {
spa_hook_remove(&d->sink_listener);
pw_stream_destroy(d->sink);
}
for (i = 0; i < MAX_SINKS; i++) {
if (d->streams[i].stream)
cleanup_stream(&d->streams[i]);
}
if (d->manager != NULL)
if (d->manager != NULL) {
spa_hook_remove(&d->manager_listener);
pw_manager_destroy(d->manager);
if (d->core != NULL)
}
if (d->core != NULL) {
spa_hook_remove(&d->core_listener);
pw_core_disconnect(d->core);
}
pw_free_strv(d->sink_names);
free(d->sink_name);