From ed1b3f13e72a53af1c68f0ae1cf359e4da7c6cf5 Mon Sep 17 00:00:00 2001
From: Warner Losh <imp@FreeBSD.org>
Date: Wed, 9 Apr 2025 15:16:57 -0600
Subject: [PATCH] kboot: Free prior segs in init_avail()

We can call init_avail() multiple times. Each time, we want to toss
whatever garbage may have already been there from a prior failed attempt
to find a good memory map.

Sponsored by:		Netflix
---
 stand/kboot/libkboot/seg.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/stand/kboot/libkboot/seg.c b/stand/kboot/libkboot/seg.c
index 395c593bcab..6979d5cfa5f 100644
--- a/stand/kboot/libkboot/seg.c
+++ b/stand/kboot/libkboot/seg.c
@@ -20,6 +20,7 @@ init_avail(void)
 		free(segs);
 	nr_seg = 0;
 	segalloc = 16;
+	free(segs);
 	segs = malloc(sizeof(*segs) * segalloc);
 	if (segs == NULL)
 		panic("not enough memory to get memory map\n");