From 19d3ee2f3adf7d9a606ff015c1e153744702c4c9 Mon Sep 17 00:00:00 2001
From: "djm@openbsd.org" <djm@openbsd.org>
Date: Wed, 6 Dec 2023 21:06:48 +0000
Subject: [PATCH] upstream: short circuit debug log processing early if we're
 not going

to log anything. From Kobe Housen

OpenBSD-Commit-ID: 2bcddd695872a1bef137cfff7823044dcded90ea
---
 log.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/log.c b/log.c
index 99bf046a7..9fc1a2e2e 100644
--- a/log.c
+++ b/log.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: log.c,v 1.60 2021/09/16 15:11:19 djm Exp $ */
+/* $OpenBSD: log.c,v 1.61 2023/12/06 21:06:48 djm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -469,6 +469,10 @@ sshlogv(const char *file, const char *func, int line, int showfunc,
 	const char *cp;
 	size_t i;
 
+	/* short circuit processing early if we're not going to log anything */
+	if (nlog_verbose == 0 && level > log_level)
+		return;
+
 	snprintf(tag, sizeof(tag), "%.48s:%.48s():%d (pid=%ld)",
 	    (cp = strrchr(file, '/')) == NULL ? file : cp + 1, func, line,
 	    (long)getpid());