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gst: Prevent a crash when stopping device provider

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The provider might fail to connect to the PipeWire core when starting up, so
when stopping we need to check the core is valid before attempting to acquire a
mutex on its loop.
This commit is contained in:
Philippe Normand 2023-08-04 10:01:07 +01:00
parent 31cd694602
commit 140374d207
1 changed files with 7 additions and 2 deletions
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5
src/gst/gstpipewiredeviceprovider.c
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@ -665,11 +665,16 @@ gst_pipewire_device_provider_stop (GstDeviceProvider * provider)
{
GstPipeWireDeviceProvider *self = GST_PIPEWIRE_DEVICE_PROVIDER (provider);
/* core might be NULL if we failed to connect in _start. */
if (self->core != NULL) {
pw_thread_loop_lock (self->core->loop);
}
GST_DEBUG_OBJECT (self, "stopping provider");
g_clear_pointer ((struct pw_proxy**)&self->registry, pw_proxy_destroy);
if (self->core != NULL) {
pw_thread_loop_unlock (self->core->loop);
}
g_clear_pointer (&self->core, gst_pipewire_core_release);
}