From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Wed, 7 May 2025 17:01:55 +0000 (+0900)
Subject: prioq: check if identical compare func is specified if already allocated
X-Git-Tag: v258-rc1~663^2~1
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4699f0e68ac968b5ffe86e14dc6b9e83c9452272;p=thirdparty%2Fsystemd.git

prioq: check if identical compare func is specified if already allocated
---

diff --git a/src/basic/prioq.c b/src/basic/prioq.c
index 0ff5faaff33..97e3fd936fa 100644
--- a/src/basic/prioq.c
+++ b/src/basic/prioq.c
@@ -58,8 +58,10 @@ Prioq* prioq_free(Prioq *q) {
 int prioq_ensure_allocated(Prioq **q, compare_func_t compare_func) {
         assert(q);
 
-        if (*q)
+        if (*q) {
+                assert((*q)->compare_func == compare_func);
                 return 0;
+        }
 
         *q = prioq_new(compare_func);
         if (!*q)