bus: properly handle if new objects are installed in the node tree while we are dispa...

[elogind.git] / src / shared / prioq.c

diff --git a/src/shared/prioq.c b/src/shared/prioq.c
index 2d166360aa213c5fc4e170506992f2ac93539a8b..537befc623a1554bd4b57bb115ca223bacddbbb4 100644 (file)
--- a/src/shared/prioq.c
+++ b/src/shared/prioq.c
@@ -217,7 +217,8 @@ _pure_ static struct prioq_item* find_item(Prioq *q, void *data, unsigned *idx)
         assert(q);
 
         if (idx) {
-                if (*idx > q->n_items)
+                if (*idx == PRIOQ_IDX_NULL ||
+                    *idx > q->n_items)
                         return NULL;
 
                 i = q->items + *idx;