1 files changed, 7 insertions, 3 deletions

diff --git a/src/lib/libc/net/freeaddrinfo.c b/src/lib/libc/net/freeaddrinfo.c
index 154f70cd75..c06318fb75 100644
--- a/src/lib/libc/net/freeaddrinfo.c
+++ b/src/lib/libc/net/freeaddrinfo.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: freeaddrinfo.c,v 1.9 2016/09/21 04:38:56 guenther Exp $       */
+/*      $OpenBSD: freeaddrinfo.c,v 1.10 2025/12/08 13:30:08 jca Exp $   */
 
 /*
  * Copyright (c) 1996, 1997, 1998, 1999, Craig Metz, All rights reserved.
@@ -40,11 +40,15 @@ freeaddrinfo(struct addrinfo *ai)
 {
         struct addrinfo *p;
 
-        do {
+        /*
+         * Calling freeaddrinfo() with a NULL pointer is unspecified,
+         * but try to cope with it anyway for compatibility.
+         */
+        while (ai != NULL) {
                 p = ai;
                 ai = ai->ai_next;
                 free(p->ai_canonname);
                 free(p);
-        } while (ai);
+        }
 }
 DEF_WEAK(freeaddrinfo);