From 66dbca1e06af0607a2d0fc6b8d14ef1ebb034f0a Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 8 Jan 2010 20:06:21 +0100 Subject: dbus: remove filter functions only if they were actually set before This fixes an assert when destructing modules that have not been fully initialized. https://bugzilla.redhat.com/show_bug.cgi?id=548525 --- src/modules/bluetooth/bluetooth-util.c | 5 ++++- src/modules/bluetooth/module-bluetooth-device.c | 7 ++++++- src/modules/bluetooth/module-bluetooth-proximity.c | 11 +++++------ src/modules/module-console-kit.c | 9 +++++++-- src/modules/module-hal-detect.c | 10 +++++----- 5 files changed, 27 insertions(+), 15 deletions(-) (limited to 'src/modules') diff --git a/src/modules/bluetooth/bluetooth-util.c b/src/modules/bluetooth/bluetooth-util.c index 47d62005..795d5108 100644 --- a/src/modules/bluetooth/bluetooth-util.c +++ b/src/modules/bluetooth/bluetooth-util.c @@ -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); } diff --git a/src/modules/bluetooth/module-bluetooth-device.c b/src/modules/bluetooth/module-bluetooth-device.c index 0ba1421b..19676dfa 100644 --- a/src/modules/bluetooth/module-bluetooth-device.c +++ b/src/modules/bluetooth/module-bluetooth-device.c @@ -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); } diff --git a/src/modules/bluetooth/module-bluetooth-proximity.c b/src/modules/bluetooth/module-bluetooth-proximity.c index c4cfd733..3eed9cea 100644 --- a/src/modules/bluetooth/module-bluetooth-proximity.c +++ b/src/modules/bluetooth/module-bluetooth-proximity.c @@ -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))) { diff --git a/src/modules/module-console-kit.c b/src/modules/module-console-kit.c index 103f5c48..875852f3 100644 --- a/src/modules/module-console-kit.c +++ b/src/modules/module-console-kit.c @@ -67,6 +67,7 @@ struct userdata { pa_core *core; pa_dbus_connection *connection; pa_hashmap *sessions; + pa_bool_t filter_added; }; static void add_session(struct userdata *u, const char *id) { @@ -300,7 +301,7 @@ int pa__init(pa_module*m) { goto fail; } - m->userdata = u = pa_xnew(struct userdata, 1); + m->userdata = u = pa_xnew0(struct userdata, 1); u->core = m->core; u->module = m; u->connection = connection; @@ -311,6 +312,8 @@ int pa__init(pa_module*m) { goto fail; } + u->filter_added = TRUE; + if (pa_dbus_add_matches( pa_dbus_connection_get(connection), &error, "type='signal',sender='org.freedesktop.ConsoleKit',interface='org.freedesktop.ConsoleKit.Seat',member='SessionAdded'", @@ -359,7 +362,9 @@ void pa__done(pa_module *m) { "type='signal',sender='org.freedesktop.ConsoleKit',interface='org.freedesktop.ConsoleKit.Seat',member='SessionAdded'", "type='signal',sender='org.freedesktop.ConsoleKit',interface='org.freedesktop.ConsoleKit.Seat',member='SessionRemoved'", NULL); - 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); } diff --git a/src/modules/module-hal-detect.c b/src/modules/module-hal-detect.c index 18519131..23d40100 100644 --- a/src/modules/module-hal-detect.c +++ b/src/modules/module-hal-detect.c @@ -87,6 +87,7 @@ struct userdata { #ifdef HAVE_OSS_OUTPUT pa_bool_t init_subdevs; #endif + pa_bool_t filter_added:1; }; #define CAPABILITY_ALSA "alsa" @@ -733,12 +734,9 @@ int pa__init(pa_module*m) { goto fail; } - m->userdata = u = pa_xnew(struct userdata, 1); + m->userdata = u = pa_xnew0(struct userdata, 1); u->core = m->core; - u->context = NULL; - u->connection = NULL; u->devices = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func); - u->capability = NULL; #ifdef HAVE_ALSA u->use_tsched = TRUE; @@ -800,6 +798,7 @@ int pa__init(pa_module*m) { pa_log_error("Failed to add filter function"); goto fail; } + u->filter_added = TRUE; if (pa_dbus_add_matches( pa_dbus_connection_get(u->connection), &error, @@ -856,7 +855,8 @@ void pa__done(pa_module *m) { "type='signal',sender='org.freedesktop.Hal',interface='org.freedesktop.Hal.Device.AccessControl',member='ACLRemoved'", "type='signal',interface='org.pulseaudio.Server',member='DirtyGiveUpMessage'", NULL); - 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); } -- cgit