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pipewire: module-adapter: remove resource listener

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Unregister the resource listener when the node is going
away to avoid use-after-free issues.

Fixes #1276
This commit is contained in:
Barnabás Pőcze 2021-06-07 01:43:19 +02:00 • committed by Wim Taymans
parent bec615971c
commit b6c6a21747
1 changed files with 8 additions and 0 deletions
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8
src/modules/module-adapter.c
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@ -67,6 +67,7 @@ struct node_data {
struct pw_impl_node *follower;
struct spa_hook adapter_listener;
struct pw_resource *resource;
struct pw_resource *bound_resource;
struct spa_hook resource_listener;
uint32_t new_id;
unsigned int linger;
@ -98,8 +99,14 @@ static void node_destroy(void *data)
static void node_free(void *data)
{
struct node_data *nd = data;
pw_log_debug(NAME" %p: free %p", nd, nd->follower);
if (nd->bound_resource != NULL)
spa_hook_remove(&nd->resource_listener);
spa_hook_remove(&nd->adapter_listener);
pw_impl_node_destroy(nd->follower);
}
@ -127,6 +134,7 @@ static void node_initialized(void *data)
goto error_bind;
}
nd->bound_resource = bound_resource;
pw_resource_add_listener(bound_resource, &nd->resource_listener, &resource_events, nd);
return;