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dbus: protect against NULL data

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Make sure we don't accidentally unref a NULL data.
This commit is contained in:
Wim Taymans 2021-08-03 19:11:15 +02:00
parent bf112940d0
commit c6dc7e98fd
1 changed files with 15 additions and 6 deletions
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19
spa/plugins/support/dbus.c
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@ -188,7 +188,9 @@ static void toggle_watch(DBusWatch *watch, void *userdata)
spa_log_debug(impl->log, "toggle watch %p", watch); spa_log_debug(impl->log, "toggle watch %p", watch);
if ((data = dbus_watch_get_data(watch)) != NULL) if ((data = dbus_watch_get_data(watch)) == NULL)
return;
spa_loop_utils_update_io(impl->utils, data->source, dbus_to_io(watch)); spa_loop_utils_update_io(impl->utils, data->source, dbus_to_io(watch));
} }
@ -198,9 +200,15 @@ handle_timer_event(void *userdata, uint64_t expirations)
DBusTimeout *timeout = userdata; DBusTimeout *timeout = userdata;
uint64_t t; uint64_t t;
struct timespec ts; struct timespec ts;
struct source_data *data = dbus_timeout_get_data(timeout); struct source_data *data;
struct connection *conn = data->conn; struct connection *conn;
struct impl *impl = conn->impl; struct impl *impl;
if ((data = dbus_timeout_get_data(timeout)) == NULL)
return;
conn = data->conn;
impl = conn->impl;
spa_log_debug(impl->log, "timeout %p conn:%p impl:%p", timeout, conn, impl); spa_log_debug(impl->log, "timeout %p conn:%p impl:%p", timeout, conn, impl);
@ -257,7 +265,8 @@ static void toggle_timeout(DBusTimeout *timeout, void *userdata)
struct source_data *data; struct source_data *data;
struct timespec ts, *tsp; struct timespec ts, *tsp;
data = dbus_timeout_get_data(timeout); if ((data = dbus_timeout_get_data(timeout)) == NULL)
return;
spa_log_debug(impl->log, "toggle timeout %p conn:%p impl:%p", timeout, conn, impl); spa_log_debug(impl->log, "toggle timeout %p conn:%p impl:%p", timeout, conn, impl);