If a callback of an event source returns an error, then the event source
might already be half-destroyed, if the callback dropped all refs.
Hence, don't assume that the type is still valid, and save it before we
issue the callback.
}
static int source_dispatch(sd_event_source *s) {
+ EventSourceType saved_type;
int r = 0;
assert(s);
assert(s->pending || s->type == SOURCE_EXIT);
+ /* Save the event source type, here, so that we still know it after the event callback which might invalidate
+ * the event. */
+ saved_type = s->type;
+
if (s->type != SOURCE_DEFER && s->type != SOURCE_EXIT) {
r = source_set_pending(s, false);
if (r < 0)
if (r < 0)
log_debug_errno(r, "Event source %s (type %s) returned error, disabling: %m",
- strna(s->description), event_source_type_to_string(s->type));
+ strna(s->description), event_source_type_to_string(saved_type));
if (s->n_ref == 0)
source_free(s);