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dbus: remove filter functions only if they were actually set before

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This fixes an assert when destructing modules that have not been fully
initialized.

https://bugzilla.redhat.com/show_bug.cgi?id=548525
This commit is contained in:
Lennart Poettering 2010-01-08 20:06:21 +01:00 • committed by Colin Guthrie
parent 5e2a80c7e3
commit 66dbca1e06
7 changed files with 34 additions and 34 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/modules/bluetooth/bluetooth-util.c
View file

@ -37,6 +37,7 @@ struct pa_bluetooth_discovery {
PA_LLIST_HEAD(pa_dbus_pending, pending);
pa_hashmap *devices;
pa_hook hook;
pa_bool_t filter_added;
};
static void get_properties_reply(DBusPendingCall *pending, void *userdata);
@ -788,6 +789,7 @@ pa_bluetooth_discovery* pa_bluetooth_discovery_get(pa_core *c) {
pa_log_error("Failed to add filter function");
goto fail;
}
y->filter_added = TRUE;
if (pa_dbus_add_matches(
pa_dbus_connection_get(y->connection), &err,
@ -856,7 +858,8 @@ void pa_bluetooth_discovery_unref(pa_bluetooth_discovery *y) {
"type='signal',sender='org.bluez',interface='org.bluez.AudioSink',member='PropertyChanged'",
"type='signal',sender='org.bluez',interface='org.bluez.AudioSource',member='PropertyChanged'", NULL);
dbus_connection_remove_filter(pa_dbus_connection_get(y->connection), filter_cb, y);
if (y->filter_added)
dbus_connection_remove_filter(pa_dbus_connection_get(y->connection), filter_cb, y);
pa_dbus_connection_unref(y->connection);
}

7
src/modules/bluetooth/module-bluetooth-device.c
View file

@ -179,6 +179,8 @@ struct userdata {
int stream_write_type;
int service_write_type, service_read_type;
pa_bool_t filter_added;
};
#define FIXED_LATENCY_PLAYBACK_A2DP (25*PA_USEC_PER_MSEC)
@ -2405,6 +2407,7 @@ int pa__init(pa_module* m) {
pa_log_error("Failed to add filter function");
goto fail;
}
u->filter_added = TRUE;
speaker = pa_sprintf_malloc("type='signal',sender='org.bluez',interface='org.bluez.Headset',member='SpeakerGainChanged',path='%s'", u->path);
mike = pa_sprintf_malloc("type='signal',sender='org.bluez',interface='org.bluez.Headset',member='MicrophoneGainChanged',path='%s'", u->path);
@ -2494,7 +2497,9 @@ void pa__done(pa_module *m) {
pa_xfree(mike);
}
dbus_connection_remove_filter(pa_dbus_connection_get(u->connection), filter_cb, u);
if (u->filter_added)
dbus_connection_remove_filter(pa_dbus_connection_get(u->connection), filter_cb, u);
pa_dbus_connection_unref(u->connection);
}

11
src/modules/bluetooth/module-bluetooth-proximity.c
View file

@ -92,7 +92,8 @@ struct userdata {
unsigned n_found;
unsigned n_unknown;
pa_bool_t muted;
pa_bool_t muted:1;
pa_bool_t filter_added:1;
};
static void update_volume(struct userdata *u) {
@ -358,9 +359,10 @@ static int add_matches(struct userdata *u, pa_bool_t add) {
} else
dbus_bus_remove_match(pa_dbus_connection_get(u->dbus_connection), filter2, &e);
if (add)
if (add) {
pa_assert_se(dbus_connection_add_filter(pa_dbus_connection_get(u->dbus_connection), filter_func, u, NULL));
else
u->filter_added = TRUE;
} else if (u->filter_added)
dbus_connection_remove_filter(pa_dbus_connection_get(u->dbus_connection), filter_func, u);
r = 0;
@ -393,9 +395,6 @@ int pa__init(pa_module*m) {
u->sink_name = pa_xstrdup(pa_modargs_get_value(ma, "sink", NULL));
u->hci = pa_xstrdup(pa_modargs_get_value(ma, "hci", DEFAULT_HCI));
u->hci_path = pa_sprintf_malloc("/org/bluez/%s", u->hci);
u->n_found = u->n_unknown = 0;
u->muted = FALSE;
u->bondings = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
if (!(u->dbus_connection = pa_dbus_bus_get(m->core, DBUS_BUS_SYSTEM, &e))) {