From 93c14c55ec0da311dc09c1c8c1c7ecd5f2fae51a Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Mon, 5 Apr 2021 07:14:39 +0300
Subject: [PATCH] libc: constify dummy error message string for dlfcn

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D29623
---
 lib/libc/gen/dlfcn.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/libc/gen/dlfcn.c b/lib/libc/gen/dlfcn.c
index 395a6d9402e..6047f7ddd4d 100644
--- a/lib/libc/gen/dlfcn.c
+++ b/lib/libc/gen/dlfcn.c
@@ -46,7 +46,7 @@ __FBSDID("$FreeBSD$");
 #include "libc_private.h"
 #include "reentrant.h"
 
-static char sorry[] = "Service unavailable";
+static const char sorry[] = "Service unavailable";
 
 void _rtld_thread_init(void *);
 void _rtld_atfork_pre(int *);
@@ -91,7 +91,7 @@ char *
 dlerror(void)
 {
 
-	return (sorry);
+	return (__DECONST(char *, sorry));
 }
 
 #pragma weak dllockinit