X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Fprioq.c;h=8af4c51c2f751336e2822a44a1c12e2257960761;hp=a2205719b47bf6dc1dfc01ccf52ec02a1af6438d;hb=bc9fd78c7bfc39881e19457e476393635f8b0442;hpb=9607d9470eec07df817e58f64d312ccb5ac4cfcc

diff --git a/src/shared/prioq.c b/src/shared/prioq.c
index a2205719b..8af4c51c2 100644
--- a/src/shared/prioq.c
+++ b/src/shared/prioq.c
@@ -211,13 +211,14 @@ static void remove_item(Prioq *q, struct prioq_item *i) {
         }
 }
 
-static struct prioq_item* find_item(Prioq *q, void *data, unsigned *idx) {
+_pure_ static struct prioq_item* find_item(Prioq *q, void *data, unsigned *idx) {
         struct prioq_item *i;
 
         assert(q);
 
         if (idx) {
-                if (*idx > q->n_items)
+                if (*idx == PRIOQ_IDX_NULL ||
+                    *idx > q->n_items)
                         return NULL;
 
                 i = q->items + *idx;
@@ -294,8 +295,8 @@ unsigned prioq_size(Prioq *q) {
                 return 0;
 
         return q->n_items;
-
 }
+
 bool prioq_isempty(Prioq *q) {
 
         if (!q)